725107225 has 6 divisors (see below), whose sum is σ = 899132990. Its totient is φ = 580085760.

The previous prime is 725107219. The next prime is 725107231. The reversal of 725107225 is 522701527.

It is an interprime number because it is at equal distance from previous prime (725107219) and next prime (725107231).

It can be written as a sum of positive squares in 3 ways, for example, as 6170256 + 718936969 = 2484^2 + 26813^2 .

It is not a de Polignac number, because 725107225 - 2⁵ = 725107193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14502120 + ... + 14502169.

Almost surely, 2^725107225 is an apocalyptic number.

It is an amenable number.

725107225 is a deficient number, since it is larger than the sum of its proper divisors (174025765).

725107225 is a wasteful number, since it uses less digits than its factorization.

725107225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29004299 (or 29004294 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 725107225 is about 26927.8150803217. The cubic root of 725107225 is about 898.3951750546.

The spelling of 725107225 in words is "seven hundred twenty-five million, one hundred seven thousand, two hundred twenty-five".