252632791 has 2 divisors, whose sum is σ = 252632792. Its totient is φ = 252632790.

The previous prime is 252632777. The next prime is 252632837. The reversal of 252632791 is 197236252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252632791 - 2¹³ = 252624599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252632791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252632701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126316395 + 126316396.

It is an arithmetic number, because the mean of its divisors is an integer number (126316396).

Almost surely, 2^252632791 is an apocalyptic number.

252632791 is a deficient number, since it is larger than the sum of its proper divisors (1).

252632791 is an equidigital number, since it uses as much as digits as its factorization.

252632791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 252632791 is about 15894.4264130544. The cubic root of 252632791 is about 632.1642130236.

The spelling of 252632791 in words is "two hundred fifty-two million, six hundred thirty-two thousand, seven hundred ninety-one".