725223455 has 24 divisors (see below), whose sum is σ = 981068112. Its totient is φ = 510384000.

The previous prime is 725223437. The next prime is 725223463. The reversal of 725223455 is 554322527.

It is not a de Polignac number, because 725223455 - 2¹² = 725219359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45995 + ... + 59715.

It is an arithmetic number, because the mean of its divisors is an integer number (40877838).

Almost surely, 2^725223455 is an apocalyptic number.

725223455 is a deficient number, since it is larger than the sum of its proper divisors (255844657).

725223455 is a wasteful number, since it uses less digits than its factorization.

725223455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13799 (or 13768 counting only the distinct ones).

The product of its digits is 84000, while the sum is 35.

The square root of 725223455 is about 26929.9731711712. The cubic root of 725223455 is about 898.4431748027.

The spelling of 725223455 in words is "seven hundred twenty-five million, two hundred twenty-three thousand, four hundred fifty-five".