1625402875 has 16 divisors (see below), whose sum is σ = 2098455840. Its totient is φ = 1255480800.

The previous prime is 1625402873. The next prime is 1625402879. The reversal of 1625402875 is 5782045261.

It is not a de Polignac number, because 1625402875 - 2¹ = 1625402873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1625402873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220569 + ... + 227818.

It is an arithmetic number, because the mean of its divisors is an integer number (131153490).

Almost surely, 2^1625402875 is an apocalyptic number.

1625402875 is a deficient number, since it is larger than the sum of its proper divisors (473052965).

1625402875 is an equidigital number, since it uses as much as digits as its factorization.

1625402875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448431 (or 448421 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 1625402875 is about 40316.2854811799. The cubic root of 1625402875 is about 1175.7644941873.

The spelling of 1625402875 in words is "one billion, six hundred twenty-five million, four hundred two thousand, eight hundred seventy-five".