512915 has 12 divisors (see below), whose sum is σ = 667584. Its totient is φ = 378144.

The previous prime is 512903. The next prime is 512917. The reversal of 512915 is 519215.

It is not a de Polignac number, because 512915 - 2⁴ = 512899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512917) 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, 542 + ... + 1148.

It is an arithmetic number, because the mean of its divisors is an integer number (55632).

2⁵¹²⁹¹⁵ is an apocalyptic number.

512915 is a deficient number, since it is larger than the sum of its proper divisors (154669).

512915 is a wasteful number, since it uses less digits than its factorization.

512915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 625 counting only the distinct ones).

The product of its digits is 450, while the sum is 23.

The square root of 512915 is about 716.1808430836. The cubic root of 512915 is about 80.0476278892.

The spelling of 512915 in words is "five hundred twelve thousand, nine hundred fifteen".