1252523512 has 64 divisors (see below), whose sum is σ = 2499840000. Its totient is φ = 587119104.

The previous prime is 1252523509. The next prime is 1252523521. The reversal of 1252523512 is 2153252521.

It is a super-2 number, since 2×1252523512² = 3137630296225628288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2892448 + ... + 2892880.

It is an arithmetic number, because the mean of its divisors is an integer number (39060000).

Almost surely, 2^1252523512 is an apocalyptic number.

It is an amenable number.

1252523512 is a deficient number, since it is larger than the sum of its proper divisors (1247316488).

1252523512 is a wasteful number, since it uses less digits than its factorization.

1252523512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 736 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 1252523512 is about 35391.0089146947. The cubic root of 1252523512 is about 1077.9417566572.

The spelling of 1252523512 in words is "one billion, two hundred fifty-two million, five hundred twenty-three thousand, five hundred twelve".