512315 has 8 divisors (see below), whose sum is σ = 623040. Its totient is φ = 404352.

The previous prime is 512311. The next prime is 512321. The reversal of 512315 is 513215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 512315 - 2² = 512311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 512293 and 512302.

It is not an unprimeable number, because it can be changed into a prime (512311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254 + ... + 1043.

It is an arithmetic number, because the mean of its divisors is an integer number (77880).

2⁵¹²³¹⁵ is an apocalyptic number.

512315 is a deficient number, since it is larger than the sum of its proper divisors (110725).

512315 is a wasteful number, since it uses less digits than its factorization.

512315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381.

The product of its digits is 150, while the sum is 17.

The square root of 512315 is about 715.7618318966. The cubic root of 512315 is about 80.0164028866.

Subtracting 512315 from its reverse (513215), we obtain a square (900 = 30²).

The spelling of 512315 in words is "five hundred twelve thousand, three hundred fifteen".