252901939 has 2 divisors, whose sum is σ = 252901940. Its totient is φ = 252901938.

The previous prime is 252901933. The next prime is 252901949. The reversal of 252901939 is 939109252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252901939 - 2³ = 252901931 is a prime.

It is not a weakly prime, because it can be changed into another prime (252901931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126450969 + 126450970.

It is an arithmetic number, because the mean of its divisors is an integer number (126450970).

Almost surely, 2^252901939 is an apocalyptic number.

252901939 is a deficient number, since it is larger than the sum of its proper divisors (1).

252901939 is an equidigital number, since it uses as much as digits as its factorization.

252901939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 252901939 is about 15902.8909007136. The cubic root of 252901939 is about 632.3886301124.

The spelling of 252901939 in words is "two hundred fifty-two million, nine hundred one thousand, nine hundred thirty-nine".