252448751 has 2 divisors, whose sum is σ = 252448752. Its totient is φ = 252448750.

The previous prime is 252448709. The next prime is 252448753. The reversal of 252448751 is 157844252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252448751 is a prime.

Together with 252448753, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252448753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126224375 + 126224376.

It is an arithmetic number, because the mean of its divisors is an integer number (126224376).

Almost surely, 2^252448751 is an apocalyptic number.

252448751 is a deficient number, since it is larger than the sum of its proper divisors (1).

252448751 is an equidigital number, since it uses as much as digits as its factorization.

252448751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89600, while the sum is 38.

The square root of 252448751 is about 15888.6359074654. The cubic root of 252448751 is about 632.0106676817.

The spelling of 252448751 in words is "two hundred fifty-two million, four hundred forty-eight thousand, seven hundred fifty-one".