725741325 has 18 divisors (see below), whose sum is σ = 1299883754. Its totient is φ = 387061920.

The previous prime is 725741311. The next prime is 725741329. The reversal of 725741325 is 523147527.

725741325 is a `hidden beast` number, since 72 + 574 + 13 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 190605636 + 535135689 = 13806^2 + 23133^2 .

It is not a de Polignac number, because 725741325 - 2⁸ = 725741069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 725741325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725741329) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1612534 + ... + 1612983.

Almost surely, 2^725741325 is an apocalyptic number.

725741325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

725741325 is a deficient number, since it is larger than the sum of its proper divisors (574142429).

725741325 is a wasteful number, since it uses less digits than its factorization.

725741325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225533 (or 3225525 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 725741325 is about 26939.5865781196. The cubic root of 725741325 is about 898.6569783593.

The spelling of 725741325 in words is "seven hundred twenty-five million, seven hundred forty-one thousand, three hundred twenty-five".