313537506 has 32 divisors (see below), whose sum is σ = 672546240. Its totient is φ = 97141824.

The previous prime is 313537481. The next prime is 313537507. The reversal of 313537506 is 605735313.

It is not an unprimeable number, because it can be changed into a prime (313537507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19905 + ... + 31988.

It is an arithmetic number, because the mean of its divisors is an integer number (21017070).

Almost surely, 2^313537506 is an apocalyptic number.

313537506 is an abundant number, since it is smaller than the sum of its proper divisors (359008734).

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

313537506 is a wasteful number, since it uses less digits than its factorization.

313537506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51970.

The product of its (nonzero) digits is 28350, while the sum is 33.

The square root of 313537506 is about 17706.9903145622. The cubic root of 313537506 is about 679.3545677913.

The spelling of 313537506 in words is "three hundred thirteen million, five hundred thirty-seven thousand, five hundred six".