252939663 has 12 divisors (see below), whose sum is σ = 365654640. Its totient is φ = 168489216.

The previous prime is 252939587. The next prime is 252939683. The reversal of 252939663 is 366939252.

252939663 is a `hidden beast` number, since 252 + 9 + 396 + 6 + 3 = 666.

It is not a de Polignac number, because 252939663 - 2⁹ = 252939151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252939683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 943 + ... + 22511.

It is an arithmetic number, because the mean of its divisors is an integer number (30471220).

Almost surely, 2^252939663 is an apocalyptic number.

252939663 is a deficient number, since it is larger than the sum of its proper divisors (112714977).

252939663 is a wasteful number, since it uses less digits than its factorization.

252939663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22878 (or 22875 counting only the distinct ones).

The product of its digits is 524880, while the sum is 45.

The square root of 252939663 is about 15904.0769301459. The cubic root of 252939663 is about 632.4200718677.

The spelling of 252939663 in words is "two hundred fifty-two million, nine hundred thirty-nine thousand, six hundred sixty-three".