1625118252 has 24 divisors (see below), whose sum is σ = 3803913456. Its totient is φ = 539995968.

The previous prime is 1625118251. The next prime is 1625118293. The reversal of 1625118252 is 2528115261.

It is not an unprimeable number, because it can be changed into a prime (1625118251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209803 + ... + 217410.

It is an arithmetic number, because the mean of its divisors is an integer number (158496394).

Almost surely, 2^1625118252 is an apocalyptic number.

1625118252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1625118252 is an abundant number, since it is smaller than the sum of its proper divisors (2178795204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1625118252 is a wasteful number, since it uses less digits than its factorization.

1625118252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427537 (or 427535 counting only the distinct ones).

The product of its digits is 9600, while the sum is 33.

The square root of 1625118252 is about 40312.7554503534. The cubic root of 1625118252 is about 1175.6958611204.

The spelling of 1625118252 in words is "one billion, six hundred twenty-five million, one hundred eighteen thousand, two hundred fifty-two".