252459653 has 2 divisors, whose sum is σ = 252459654. Its totient is φ = 252459652.

The previous prime is 252459577. The next prime is 252459671. The reversal of 252459653 is 356954252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205578244 + 46881409 = 14338^2 + 6847^2 .

It is a cyclic number.

It is not a de Polignac number, because 252459653 - 2¹⁰ = 252458629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252459653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252459253) 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, 126229826 + 126229827.

It is an arithmetic number, because the mean of its divisors is an integer number (126229827).

Almost surely, 2^252459653 is an apocalyptic number.

It is an amenable number.

252459653 is a deficient number, since it is larger than the sum of its proper divisors (1).

252459653 is an equidigital number, since it uses as much as digits as its factorization.

252459653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 41.

The square root of 252459653 is about 15888.9789791541. The cubic root of 252459653 is about 632.0197653448.

The spelling of 252459653 in words is "two hundred fifty-two million, four hundred fifty-nine thousand, six hundred fifty-three".