725355052 has 24 divisors (see below), whose sum is σ = 1279932192. Its totient is φ = 359673600.

The previous prime is 725355017. The next prime is 725355079. The reversal of 725355052 is 250553527.

It is a super-2 number, since 2×725355052² = 1052279902923845408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 725354999 and 725355017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252102 + ... + 254962.

It is an arithmetic number, because the mean of its divisors is an integer number (53330508).

Almost surely, 2^725355052 is an apocalyptic number.

It is an amenable number.

725355052 is a deficient number, since it is larger than the sum of its proper divisors (554577140).

725355052 is a wasteful number, since it uses less digits than its factorization.

725355052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369 (or 3367 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 725355052 is about 26932.4163787804. The cubic root of 725355052 is about 898.4975145031.

The spelling of 725355052 in words is "seven hundred twenty-five million, three hundred fifty-five thousand, fifty-two".