252625297 has 2 divisors, whose sum is σ = 252625298. Its totient is φ = 252625296.

The previous prime is 252625291. The next prime is 252625363. The reversal of 252625297 is 792526252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135466321 + 117158976 = 11639^2 + 10824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252625297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252625291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126312648 + 126312649.

It is an arithmetic number, because the mean of its divisors is an integer number (126312649).

Almost surely, 2^252625297 is an apocalyptic number.

It is an amenable number.

252625297 is a deficient number, since it is larger than the sum of its proper divisors (1).

252625297 is an equidigital number, since it uses as much as digits as its factorization.

252625297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 40.

The square root of 252625297 is about 15894.1906682914. The cubic root of 252625297 is about 632.1579622047.

The spelling of 252625297 in words is "two hundred fifty-two million, six hundred twenty-five thousand, two hundred ninety-seven".