252456751 has 2 divisors, whose sum is σ = 252456752. Its totient is φ = 252456750.

The previous prime is 252456719. The next prime is 252456791. The reversal of 252456751 is 157654252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252456751 - 2⁵ = 252456719 is a prime.

It is a super-2 number, since 2×252456751² = 127468822250952002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252456751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252456791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126228375 + 126228376.

It is an arithmetic number, because the mean of its divisors is an integer number (126228376).

Almost surely, 2^252456751 is an apocalyptic number.

252456751 is a deficient number, since it is larger than the sum of its proper divisors (1).

252456751 is an equidigital number, since it uses as much as digits as its factorization.

252456751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84000, while the sum is 37.

The square root of 252456751 is about 15888.8876577311. The cubic root of 252456751 is about 632.0173436663.

The spelling of 252456751 in words is "two hundred fifty-two million, four hundred fifty-six thousand, seven hundred fifty-one".