725224514 has 16 divisors (see below), whose sum is σ = 1246383168. Its totient is φ = 310025232.

The previous prime is 725224499. The next prime is 725224543. The reversal of 725224514 is 415422527.

It is a Curzon 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, 59684 + ... + 70799.

It is an arithmetic number, because the mean of its divisors is an integer number (77898948).

Almost surely, 2^725224514 is an apocalyptic number.

725224514 is a deficient number, since it is larger than the sum of its proper divisors (521158654).

725224514 is a wasteful number, since it uses less digits than its factorization.

725224514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130889.

The product of its digits is 22400, while the sum is 32.

The square root of 725224514 is about 26929.9928332705. The cubic root of 725224514 is about 898.4436121166.

The spelling of 725224514 in words is "seven hundred twenty-five million, two hundred twenty-four thousand, five hundred fourteen".