725057223 has 16 divisors (see below), whose sum is σ = 1056228096. Its totient is φ = 438762240.

The previous prime is 725057213. The next prime is 725057227. The reversal of 725057223 is 322750527.

It is not a de Polignac number, because 725057223 - 2¹⁴ = 725040839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725057227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5886 + ... + 38532.

It is an arithmetic number, because the mean of its divisors is an integer number (66014256).

Almost surely, 2^725057223 is an apocalyptic number.

725057223 is a deficient number, since it is larger than the sum of its proper divisors (331170873).

725057223 is a wasteful number, since it uses less digits than its factorization.

725057223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33334.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 725057223 is about 26926.8866191396. The cubic root of 725057223 is about 898.3745240453.

The spelling of 725057223 in words is "seven hundred twenty-five million, fifty-seven thousand, two hundred twenty-three".