315263540 has 24 divisors (see below), whose sum is σ = 665200032. Its totient is φ = 125506080.

The previous prime is 315263527. The next prime is 315263549. The reversal of 315263540 is 45362513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315263549) 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, 33134 + ... + 41573.

It is an arithmetic number, because the mean of its divisors is an integer number (27716668).

Almost surely, 2^315263540 is an apocalyptic number.

It is an amenable number.

315263540 is an abundant number, since it is smaller than the sum of its proper divisors (349936492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315263540 is a wasteful number, since it uses less digits than its factorization.

315263540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74927 (or 74925 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 315263540 is about 17755.6621954801. The cubic root of 315263540 is about 680.5989100713.

The spelling of 315263540 in words is "three hundred fifteen million, two hundred sixty-three thousand, five hundred forty".