315525490 has 16 divisors (see below), whose sum is σ = 649081152. Its totient is φ = 108180144.

The previous prime is 315525487. The next prime is 315525499. The reversal of 315525490 is 94525513.

It is not an unprimeable number, because it can be changed into a prime (315525499) 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, 2253684 + ... + 2253823.

It is an arithmetic number, because the mean of its divisors is an integer number (40567572).

Almost surely, 2^315525490 is an apocalyptic number.

315525490 is an abundant number, since it is smaller than the sum of its proper divisors (333555662).

315525490 is a wasteful number, since it uses less digits than its factorization.

315525490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4507521.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 315525490 is about 17763.0371839953. The cubic root of 315525490 is about 680.7873593174.

The spelling of 315525490 in words is "three hundred fifteen million, five hundred twenty-five thousand, four hundred ninety".