315023025 has 12 divisors (see below), whose sum is σ = 520838192. Its totient is φ = 168012240.

The previous prime is 315022997. The next prime is 315023029. The reversal of 315023025 is 520320513.

It is not a de Polignac number, because 315023025 - 2⁸ = 315022769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315022992 and 315023010.

It is not an unprimeable number, because it can be changed into a prime (315023029) 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, 2100079 + ... + 2100228.

Almost surely, 2^315023025 is an apocalyptic number.

It is an amenable number.

315023025 is a deficient number, since it is larger than the sum of its proper divisors (205815167).

315023025 is a wasteful number, since it uses less digits than its factorization.

315023025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200320 (or 4200315 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 315023025 is about 17748.8879933364. The cubic root of 315023025 is about 680.4257894159.

Adding to 315023025 its reverse (520320513), we get a palindrome (835343538).

The spelling of 315023025 in words is "three hundred fifteen million, twenty-three thousand, twenty-five".