725695725 has 24 divisors (see below), whose sum is σ = 1200603712. Its totient is φ = 386784000.

The previous prime is 725695717. The next prime is 725695727. The reversal of 725695725 is 527596527.

It is not a de Polignac number, because 725695725 - 2³ = 725695717 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725695727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189429 + ... + 193221.

Almost surely, 2^725695725 is an apocalyptic number.

725695725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

725695725 is a deficient number, since it is larger than the sum of its proper divisors (474907987).

725695725 is a wasteful number, since it uses less digits than its factorization.

725695725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6357 (or 6352 counting only the distinct ones).

The product of its digits is 1323000, while the sum is 48.

The square root of 725695725 is about 26938.7402266698. The cubic root of 725695725 is about 898.6381564021.

The spelling of 725695725 in words is "seven hundred twenty-five million, six hundred ninety-five thousand, seven hundred twenty-five".