725831253 has 64 divisors (see below), whose sum is σ = 1260157440. Its totient is φ = 404352000.

The previous prime is 725831251. The next prime is 725831261. The reversal of 725831253 is 352138527.

It is a happy number.

725831253 is a `hidden beast` number, since 72 + 583 + 1 + 2 + 5 + 3 = 666.

725831253 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 725831253 - 2¹ = 725831251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725831251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1809853 + ... + 1810253.

It is an arithmetic number, because the mean of its divisors is an integer number (19689960).

Almost surely, 2^725831253 is an apocalyptic number.

It is an amenable number.

725831253 is a deficient number, since it is larger than the sum of its proper divisors (534326187).

725831253 is a wasteful number, since it uses less digits than its factorization.

725831253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 629 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 725831253 is about 26941.2555943482. The cubic root of 725831253 is about 898.6940949298.

The spelling of 725831253 in words is "seven hundred twenty-five million, eight hundred thirty-one thousand, two hundred fifty-three".