315968500 has 24 divisors (see below), whose sum is σ = 690076296. Its totient is φ = 126387200.

The previous prime is 315968459. The next prime is 315968519. The reversal of 315968500 is 5869513.

315968500 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 52620516 + 263347984 = 7254^2 + 16228^2 .

315968500 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 315968500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315469 + ... + 316468.

It is an arithmetic number, because the mean of its divisors is an integer number (28753179).

Almost surely, 2^315968500 is an apocalyptic number.

It is an amenable number.

315968500 is an abundant number, since it is smaller than the sum of its proper divisors (374107796).

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

315968500 is a wasteful number, since it uses less digits than its factorization.

315968500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631956 (or 631944 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 315968500 is about 17775.5028058280. The cubic root of 315968500 is about 681.1058275838.

The spelling of 315968500 in words is "three hundred fifteen million, nine hundred sixty-eight thousand, five hundred".