252163653 has 64 divisors (see below), whose sum is σ = 413952000. Its totient is φ = 136321920.

The previous prime is 252163609. The next prime is 252163657. The reversal of 252163653 is 356361252.

It is not a de Polignac number, because 252163653 - 2⁹ = 252163141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252163657) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1814058 + ... + 1814196.

It is an arithmetic number, because the mean of its divisors is an integer number (6468000).

Almost surely, 2^252163653 is an apocalyptic number.

It is an amenable number.

252163653 is a deficient number, since it is larger than the sum of its proper divisors (161788347).

252163653 is a wasteful number, since it uses less digits than its factorization.

252163653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 233 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 252163653 is about 15879.6616147826. The cubic root of 252163653 is about 631.7726618176.

The spelling of 252163653 in words is "two hundred fifty-two million, one hundred sixty-three thousand, six hundred fifty-three".