725625025 has 12 divisors (see below), whose sum is σ = 952703532. Its totient is φ = 546352640.

The previous prime is 725625023. The next prime is 725625031. The reversal of 725625025 is 520526527.

It can be written as a sum of positive squares in 6 ways, for example, as 13749264 + 711875761 = 3708^2 + 26681^2 .

It is not a de Polignac number, because 725625025 - 2¹ = 725625023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725625023) 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, 853252 + ... + 854101.

It is an arithmetic number, because the mean of its divisors is an integer number (79391961).

Almost surely, 2^725625025 is an apocalyptic number.

It is an amenable number.

725625025 is a deficient number, since it is larger than the sum of its proper divisors (227078507).

725625025 is a wasteful number, since it uses less digits than its factorization.

725625025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707380 (or 1707375 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 725625025 is about 26937.4279581403. The cubic root of 725625025 is about 898.6089725542.

The spelling of 725625025 in words is "seven hundred twenty-five million, six hundred twenty-five thousand, twenty-five".