1252292565 has 32 divisors (see below), whose sum is σ = 2166145920. Its totient is φ = 615631104.

The previous prime is 1252292551. The next prime is 1252292579. The reversal of 1252292565 is 5652922521.

It is an interprime number because it is at equal distance from previous prime (1252292551) and next prime (1252292579).

It is not a de Polignac number, because 1252292565 - 2¹⁹ = 1251768277 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48834 + ... + 69923.

It is an arithmetic number, because the mean of its divisors is an integer number (67692060).

Almost surely, 2^1252292565 is an apocalyptic number.

1252292565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1252292565 is a deficient number, since it is larger than the sum of its proper divisors (913853355).

1252292565 is a wasteful number, since it uses less digits than its factorization.

1252292565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118821.

The product of its digits is 108000, while the sum is 39.

The square root of 1252292565 is about 35387.7459722995. The cubic root of 1252292565 is about 1077.8755003581.

The spelling of 1252292565 in words is "one billion, two hundred fifty-two million, two hundred ninety-two thousand, five hundred sixty-five".