725253325 has 12 divisors (see below), whose sum is σ = 916283988. Its totient is φ = 569254400.

The previous prime is 725253307. The next prime is 725253329. The reversal of 725253325 is 523352527.

It can be written as a sum of positive squares in 6 ways, for example, as 10118761 + 715134564 = 3181^2 + 26742^2 .

It is not a de Polignac number, because 725253325 - 2⁵ = 725253293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725253329) 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, 272356 + ... + 275005.

It is an arithmetic number, because the mean of its divisors is an integer number (76356999).

Almost surely, 2^725253325 is an apocalyptic number.

It is an amenable number.

725253325 is a deficient number, since it is larger than the sum of its proper divisors (191030663).

725253325 is a wasteful number, since it uses less digits than its factorization.

725253325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547424 (or 547419 counting only the distinct ones).

The product of its digits is 63000, while the sum is 34.

The square root of 725253325 is about 26930.5277519769. The cubic root of 725253325 is about 898.4555094512.

The spelling of 725253325 in words is "seven hundred twenty-five million, two hundred fifty-three thousand, three hundred twenty-five".