1252512625 has 64 divisors (see below), whose sum is σ = 1939392000. Its totient is φ = 786412800.

The previous prime is 1252512619. The next prime is 1252512629. The reversal of 1252512625 is 5262152521.

It is a happy number.

It is not a de Polignac number, because 1252512625 - 2⁷ = 1252512497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1252512629) 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 63 ways as a sum of consecutive naturals, for example, 1694506 + ... + 1695244.

It is an arithmetic number, because the mean of its divisors is an integer number (30303000).

Almost surely, 2^1252512625 is an apocalyptic number.

It is an amenable number.

1252512625 is a deficient number, since it is larger than the sum of its proper divisors (686879375).

1252512625 is a wasteful number, since it uses less digits than its factorization.

1252512625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 913 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 1252512625 is about 35390.8551041085. The cubic root of 1252512625 is about 1077.9386334727.

The spelling of 1252512625 in words is "one billion, two hundred fifty-two million, five hundred twelve thousand, six hundred twenty-five".