313525506 has 64 divisors (see below), whose sum is σ = 746643456. Its totient is φ = 85881600.

The previous prime is 313525501. The next prime is 313525507. The reversal of 313525506 is 605525313.

It is not an unprimeable number, because it can be changed into a prime (313525501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146061 + ... + 148191.

It is an arithmetic number, because the mean of its divisors is an integer number (11666304).

Almost surely, 2^313525506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313525506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373321728).

313525506 is an abundant number, since it is smaller than the sum of its proper divisors (433117950).

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

313525506 is a wasteful number, since it uses less digits than its factorization.

313525506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 313525506 is about 17706.6514620919. The cubic root of 313525506 is about 679.3459007167.

The spelling of 313525506 in words is "three hundred thirteen million, five hundred twenty-five thousand, five hundred six".