1252602553 has 2 divisors, whose sum is σ = 1252602554. Its totient is φ = 1252602552.

The previous prime is 1252602529. The next prime is 1252602557. The reversal of 1252602553 is 3552062521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1043742249 + 208860304 = 32307^2 + 14452^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252602553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1252602557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626301276 + 626301277.

It is an arithmetic number, because the mean of its divisors is an integer number (626301277).

Almost surely, 2^1252602553 is an apocalyptic number.

It is an amenable number.

1252602553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252602553 is an equidigital number, since it uses as much as digits as its factorization.

1252602553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1252602553 is about 35392.1255790042. The cubic root of 1252602553 is about 1077.9644308296.

The spelling of 1252602553 in words is "one billion, two hundred fifty-two million, six hundred two thousand, five hundred fifty-three".