252198402 has 16 divisors (see below), whose sum is σ = 504558912. Its totient is φ = 84039120.

The previous prime is 252198389. The next prime is 252198407. The reversal of 252198402 is 204891252.

It is not an unprimeable number, because it can be changed into a prime (252198407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24843 + ... + 33489.

It is an arithmetic number, because the mean of its divisors is an integer number (31534932).

Almost surely, 2^252198402 is an apocalyptic number.

252198402 is an abundant number, since it is smaller than the sum of its proper divisors (252360510).

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

252198402 is a wasteful number, since it uses less digits than its factorization.

252198402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13513.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 252198402 is about 15880.7557124968. The cubic root of 252198402 is about 631.8016806176.

The spelling of 252198402 in words is "two hundred fifty-two million, one hundred ninety-eight thousand, four hundred two".