252961893 has 16 divisors (see below), whose sum is σ = 375408000. Its totient is φ = 168348960.

The previous prime is 252961861. The next prime is 252961903. The reversal of 252961893 is 398169252.

252961893 is a `hidden beast` number, since 2 + 5 + 29 + 618 + 9 + 3 = 666.

It is not a de Polignac number, because 252961893 - 2⁵ = 252961861 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252961823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8353 + ... + 23993.

It is an arithmetic number, because the mean of its divisors is an integer number (23463000).

Almost surely, 2^252961893 is an apocalyptic number.

It is an amenable number.

252961893 is a deficient number, since it is larger than the sum of its proper divisors (122446107).

252961893 is a wasteful number, since it uses less digits than its factorization.

252961893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16249 (or 16243 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 252961893 is about 15904.7757921952. The cubic root of 252961893 is about 632.4385984024.

The spelling of 252961893 in words is "two hundred fifty-two million, nine hundred sixty-one thousand, eight hundred ninety-three".