1252765323 has 24 divisors (see below), whose sum is σ = 1910188800. Its totient is φ = 788977584.

The previous prime is 1252765313. The next prime is 1252765333. The reversal of 1252765323 is 3235672521.

1252765323 is a `hidden beast` number, since 1 + 2 + 52 + 76 + 532 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1252765313) and next prime (1252765333).

It is not a de Polignac number, because 1252765323 - 2⁸ = 1252765067 is a prime.

It is a super-2 number, since 2×1252765323² = 3138841909022588658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1252765313) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 51186 + ... + 71592.

It is an arithmetic number, because the mean of its divisors is an integer number (79591200).

Almost surely, 2^1252765323 is an apocalyptic number.

1252765323 is a deficient number, since it is larger than the sum of its proper divisors (657423477).

1252765323 is a wasteful number, since it uses less digits than its factorization.

1252765323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20791 (or 20788 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 1252765323 is about 35394.4250271141. The cubic root of 1252765323 is about 1078.0111209976.

The spelling of 1252765323 in words is "one billion, two hundred fifty-two million, seven hundred sixty-five thousand, three hundred twenty-three".