515

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 2 (2 unique) factors are:
5
103

Its 4 divisors are:
1
5
103
515
Its aliquote sum is:
109
makeing it a deficient number.

As Unicode codepoint (since version 1.1) this number represents this character:ȃ LATIN SMALL LETTER A WITH INVERTED BREVE in Latin_Ext_B (Source: https://www.unicode.org/Public/UCD/latest/ucdxml/ucd.all.grouped.zip); HTML: ȃ

In the work of Johann Sebastian Bach BWV 515 is So oft ich meine Tobackspfeife (Arie)

The number appears at position 1099 of the decimal digits of π surrounded by
9124972177528347913151557485724245415069595 Source: The Pi-Search Page

Computations done with Math::BigInt 1.999811 and Math::Pari 2.030523 based on PARI/GP 2.11.3 (elapsed: 1024.736ms; cpu: 83.6779999999999ms)