725875 has 8 divisors (see below), whose sum is σ = 906048. Its totient is φ = 580600.

The previous prime is 725867. The next prime is 725891. The reversal of 725875 is 578527.

It is not a de Polignac number, because 725875 - 2³ = 725867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 725875.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2779 + ... + 3028.

It is an arithmetic number, because the mean of its divisors is an integer number (113256).

2⁷²⁵⁸⁷⁵ is an apocalyptic number.

725875 is a deficient number, since it is larger than the sum of its proper divisors (180173).

725875 is an equidigital number, since it uses as much as digits as its factorization.

725875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5822 (or 5812 counting only the distinct ones).

The product of its digits is 19600, while the sum is 34.

The square root of 725875 is about 851.9829810507. The cubic root of 725875 is about 89.8712149806.

It can be divided in two parts, 725 and 875, that added together give a square (1600 = 40²).

The spelling of 725875 in words is "seven hundred twenty-five thousand, eight hundred seventy-five".