1252602529 has 2 divisors, whose sum is σ = 1252602530. Its totient is φ = 1252602528.

The previous prime is 1252602479. The next prime is 1252602553. The reversal of 1252602529 is 9252062521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 786690304 + 465912225 = 28048^2 + 21585^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252602529 - 2¹⁵ = 1252569761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1252602494 and 1252602503.

It is not a weakly prime, because it can be changed into another prime (1252632529) 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, 626301264 + 626301265.

It is an arithmetic number, because the mean of its divisors is an integer number (626301265).

Almost surely, 2^1252602529 is an apocalyptic number.

It is an amenable number.

1252602529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252602529 is an equidigital number, since it uses as much as digits as its factorization.

1252602529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1252602529 is about 35392.1252399457. The cubic root of 1252602529 is about 1077.9644239449.

The spelling of 1252602529 in words is "one billion, two hundred fifty-two million, six hundred two thousand, five hundred twenty-nine".