725358525 has 12 divisors (see below), whose sum is σ = 1199259552. Its totient is φ = 386857840.

The previous prime is 725358509. The next prime is 725358539. The reversal of 725358525 is 525853527.

It is a happy number.

It is not a de Polignac number, because 725358525 - 2⁴ = 725358509 is a prime.

It is a super-2 number, since 2×725358525² = 1052289979580351250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4835649 + ... + 4835798.

It is an arithmetic number, because the mean of its divisors is an integer number (99938296).

Almost surely, 2^725358525 is an apocalyptic number.

725358525 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

725358525 is a deficient number, since it is larger than the sum of its proper divisors (473901027).

725358525 is a wasteful number, since it uses less digits than its factorization.

725358525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671460 (or 9671455 counting only the distinct ones).

The product of its digits is 420000, while the sum is 42.

The square root of 725358525 is about 26932.4808549083. The cubic root of 725358525 is about 898.4989485029.

The spelling of 725358525 in words is "seven hundred twenty-five million, three hundred fifty-eight thousand, five hundred twenty-five".