1625124163 has 12 divisors (see below), whose sum is σ = 1859142880. Its totient is φ = 1411869312.

The previous prime is 1625124161. The next prime is 1625124173. The reversal of 1625124163 is 3614215261.

It is a happy number.

It is not a de Polignac number, because 1625124163 - 2¹ = 1625124161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1625124161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212523 + ... + 220036.

Almost surely, 2^1625124163 is an apocalyptic number.

1625124163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1625124163 is a deficient number, since it is larger than the sum of its proper divisors (234018717).

1625124163 is a wasteful number, since it uses less digits than its factorization.

1625124163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432606 (or 432589 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 1625124163 is about 40312.8287645509. The cubic root of 1625124163 is about 1175.6972865612.

The spelling of 1625124163 in words is "one billion, six hundred twenty-five million, one hundred twenty-four thousand, one hundred sixty-three".