531025315 has 4 divisors (see below), whose sum is σ = 637230384. Its totient is φ = 424820248.

The previous prime is 531025309. The next prime is 531025367. The reversal of 531025315 is 513520135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513520135 = 5 ⋅102704027.

It is a cyclic number.

It is not a de Polignac number, because 531025315 - 2⁵ = 531025283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 531025315.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53102527 + ... + 53102536.

It is an arithmetic number, because the mean of its divisors is an integer number (159307596).

Almost surely, 2^531025315 is an apocalyptic number.

531025315 is a deficient number, since it is larger than the sum of its proper divisors (106205069).

531025315 is a wasteful number, since it uses less digits than its factorization.

531025315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106205068.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 531025315 is about 23043.9865257728. The cubic root of 531025315 is about 809.7887550536.

It can be divided in two parts, 5310 and 25315, that added together give a square (30625 = 175²).

The spelling of 531025315 in words is "five hundred thirty-one million, twenty-five thousand, three hundred fifteen".