252891554 has 16 divisors (see below), whose sum is σ = 383539200. Its totient is φ = 125049744.

The previous prime is 252891533. The next prime is 252891593. The reversal of 252891554 is 455198252.

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, 197087 + ... + 198365.

It is an arithmetic number, because the mean of its divisors is an integer number (23971200).

Almost surely, 2^252891554 is an apocalyptic number.

252891554 is a deficient number, since it is larger than the sum of its proper divisors (130647646).

252891554 is a wasteful number, since it uses less digits than its factorization.

252891554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297.

The product of its digits is 144000, while the sum is 41.

The square root of 252891554 is about 15902.5643844004. The cubic root of 252891554 is about 632.3799739961.

The spelling of 252891554 in words is "two hundred fifty-two million, eight hundred ninety-one thousand, five hundred fifty-four".