725524 has 12 divisors (see below), whose sum is σ = 1310848. Its totient is φ = 351000.

The previous prime is 725519. The next prime is 725531. The reversal of 725524 is 425527.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2802 + ... + 3049.

2⁷²⁵⁵²⁴ is an apocalyptic number.

It is an amenable number.

725524 is a deficient number, since it is larger than the sum of its proper divisors (585324).

725524 is a wasteful number, since it uses less digits than its factorization.

725524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5886 (or 5884 counting only the distinct ones).

The product of its digits is 2800, while the sum is 25.

The square root of 725524 is about 851.7769661126. The cubic root of 725524 is about 89.8567267733.

The spelling of 725524 in words is "seven hundred twenty-five thousand, five hundred twenty-four".