315116252 has 24 divisors (see below), whose sum is σ = 603348480. Its totient is φ = 142814960.

The previous prime is 315116239. The next prime is 315116281. The reversal of 315116252 is 252611513.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4949 + ... + 25587.

It is an arithmetic number, because the mean of its divisors is an integer number (25139520).

Almost surely, 2^315116252 is an apocalyptic number.

It is an amenable number.

315116252 is a deficient number, since it is larger than the sum of its proper divisors (288232228).

315116252 is a wasteful number, since it uses less digits than its factorization.

315116252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21001 (or 20999 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 315116252 is about 17751.5140762697. The cubic root of 315116252 is about 680.4929038737.

Adding to 315116252 its reverse (252611513), we get a palindrome (567727765).

The spelling of 315116252 in words is "three hundred fifteen million, one hundred sixteen thousand, two hundred fifty-two".