725245318 has 16 divisors (see below), whose sum is σ = 1243789344. Its totient is φ = 310691520.

The previous prime is 725245309. The next prime is 725245321. The reversal of 725245318 is 813542527.

It is a super-2 number, since 2×725245318² = 1051961542561842248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29898 + ... + 48418.

It is an arithmetic number, because the mean of its divisors is an integer number (77736834).

Almost surely, 2^725245318 is an apocalyptic number.

725245318 is a deficient number, since it is larger than the sum of its proper divisors (518544026).

725245318 is a wasteful number, since it uses less digits than its factorization.

725245318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21327.

The product of its digits is 67200, while the sum is 37.

The square root of 725245318 is about 26930.3790912791. The cubic root of 725245318 is about 898.4522030388.

The spelling of 725245318 in words is "seven hundred twenty-five million, two hundred forty-five thousand, three hundred eighteen".