505912015 has 12 divisors (see below), whose sum is σ = 706212216. Its totient is φ = 346910928.

The previous prime is 505912009. The next prime is 505912019. The reversal of 505912015 is 510219505.

It is not a de Polignac number, because 505912015 - 2²⁷ = 371694287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505912019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1032229 + ... + 1032718.

It is an arithmetic number, because the mean of its divisors is an integer number (58851018).

Almost surely, 2^505912015 is an apocalyptic number.

505912015 is a deficient number, since it is larger than the sum of its proper divisors (200300201).

505912015 is a wasteful number, since it uses less digits than its factorization.

505912015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064966 (or 2064959 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 505912015 is about 22492.4879682084. The cubic root of 505912015 is about 796.8165231266.

The spelling of 505912015 in words is "five hundred five million, nine hundred twelve thousand, fifteen".