252524917 has 2 divisors, whose sum is σ = 252524918. Its totient is φ = 252524916.

The previous prime is 252524911. The next prime is 252524929. The reversal of 252524917 is 719425252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152004241 + 100520676 = 12329^2 + 10026^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252524917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252524911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126262458 + 126262459.

It is an arithmetic number, because the mean of its divisors is an integer number (126262459).

Almost surely, 2^252524917 is an apocalyptic number.

It is an amenable number.

252524917 is a deficient number, since it is larger than the sum of its proper divisors (1).

252524917 is an equidigital number, since it uses as much as digits as its factorization.

252524917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 37.

The square root of 252524917 is about 15891.0325970341. The cubic root of 252524917 is about 632.0742223423.

The spelling of 252524917 in words is "two hundred fifty-two million, five hundred twenty-four thousand, nine hundred seventeen".