725259 has 12 divisors (see below), whose sum is σ = 1013096. Its totient is φ = 461472.

The previous prime is 725209. The next prime is 725273. The reversal of 725259 is 952527.

It is a happy number.

It is not a de Polignac number, because 725259 - 2⁹ = 724747 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 725259.

It is not an unprimeable number, because it can be changed into a prime (725209) 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, 1359 + ... + 1815.

2⁷²⁵²⁵⁹ is an apocalyptic number.

725259 is a deficient number, since it is larger than the sum of its proper divisors (287837).

725259 is a wasteful number, since it uses less digits than its factorization.

725259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 483 counting only the distinct ones).

The product of its digits is 6300, while the sum is 30.

The square root of 725259 is about 851.6213947524. The cubic root of 725259 is about 89.8457852872.

The spelling of 725259 in words is "seven hundred twenty-five thousand, two hundred fifty-nine".