316525540 has 48 divisors (see below), whose sum is σ = 706745088. Its totient is φ = 118811264.

The previous prime is 316525511. The next prime is 316525549. The reversal of 316525540 is 45525613.

It is not an unprimeable number, because it can be changed into a prime (316525549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17889 + ... + 30871.

It is an arithmetic number, because the mean of its divisors is an integer number (14723856).

Almost surely, 2^316525540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316525540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353372544).

316525540 is an abundant number, since it is smaller than the sum of its proper divisors (390219548).

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

316525540 is a wasteful number, since it uses less digits than its factorization.

316525540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13068 (or 13066 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 316525540 is about 17791.1646611457. The cubic root of 316525540 is about 681.5058468375.

The spelling of 316525540 in words is "three hundred sixteen million, five hundred twenty-five thousand, five hundred forty".