725865625 has 24 divisors (see below), whose sum is σ = 946814400. Its totient is φ = 555390000.

The previous prime is 725865587. The next prime is 725865653. The reversal of 725865625 is 526568527.

725865625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 725865625 - 2²¹ = 723768473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66826 + ... + 76924.

It is an arithmetic number, because the mean of its divisors is an integer number (39450600).

Almost surely, 2^725865625 is an apocalyptic number.

It is an amenable number.

725865625 is a deficient number, since it is larger than the sum of its proper divisors (220948775).

725865625 is an equidigital number, since it uses as much as digits as its factorization.

725865625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10147 (or 10127 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 46.

The square root of 725865625 is about 26941.8934932198. The cubic root of 725865625 is about 898.7082806999.

The spelling of 725865625 in words is "seven hundred twenty-five million, eight hundred sixty-five thousand, six hundred twenty-five".