252316402 has 16 divisors (see below), whose sum is σ = 409393152. Its totient is φ = 115938000.

The previous prime is 252316387. The next prime is 252316403. The reversal of 252316402 is 204613252.

It is not an unprimeable number, because it can be changed into a prime (252316403) 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 7 ways as a sum of consecutive naturals, for example, 15474 + ... + 27277.

It is an arithmetic number, because the mean of its divisors is an integer number (25587072).

Almost surely, 2^252316402 is an apocalyptic number.

252316402 is a deficient number, since it is larger than the sum of its proper divisors (157076750).

252316402 is a wasteful number, since it uses less digits than its factorization.

252316402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42993.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 252316402 is about 15884.4704664650. The cubic root of 252316402 is about 631.9002022225.

Adding to 252316402 its reverse (204613252), we get a palindrome (456929654).

The spelling of 252316402 in words is "two hundred fifty-two million, three hundred sixteen thousand, four hundred two".