725353225 has 12 divisors (see below), whose sum is σ = 901996956. Its totient is φ = 578631680.

The previous prime is 725353219. The next prime is 725353241. The reversal of 725353225 is 522353527.

It can be written as a sum of positive squares in 6 ways, for example, as 188457984 + 536895241 = 13728^2 + 23171^2 .

It is not a de Polignac number, because 725353225 - 2⁵ = 725353193 is a prime.

It is a super-2 number, since 2×725353225² = 1052274602035801250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32272 + ... + 49921.

It is an arithmetic number, because the mean of its divisors is an integer number (75166413).

Almost surely, 2^725353225 is an apocalyptic number.

It is an amenable number.

725353225 is a deficient number, since it is larger than the sum of its proper divisors (176643731).

725353225 is a wasteful number, since it uses less digits than its factorization.

725353225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82556 (or 82551 counting only the distinct ones).

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

The square root of 725353225 is about 26932.3824605251. The cubic root of 725353225 is about 898.4967601340.

The spelling of 725353225 in words is "seven hundred twenty-five million, three hundred fifty-three thousand, two hundred twenty-five".