252120458 has 16 divisors (see below), whose sum is σ = 390785280. Its totient is φ = 121867200.

The previous prime is 252120437. The next prime is 252120469. The reversal of 252120458 is 854021252.

It is a self number, because there is not a number n which added to its sum of digits gives 252120458.

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, 90953 + ... + 93683.

It is an arithmetic number, because the mean of its divisors is an integer number (24424080).

Almost surely, 2^252120458 is an apocalyptic number.

252120458 is a deficient number, since it is larger than the sum of its proper divisors (138664822).

252120458 is a wasteful number, since it uses less digits than its factorization.

252120458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4253.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 252120458 is about 15878.3014834711. The cubic root of 252120458 is about 631.7365860679.

The spelling of 252120458 in words is "two hundred fifty-two million, one hundred twenty thousand, four hundred fifty-eight".