725519223 has 48 divisors (see below), whose sum is σ = 1234580256. Its totient is φ = 404766720.

The previous prime is 725519209. The next prime is 725519243. The reversal of 725519223 is 322915527.

It is not a de Polignac number, because 725519223 - 2⁶ = 725519159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725519203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 742111 + ... + 743087.

It is an arithmetic number, because the mean of its divisors is an integer number (25720422).

Almost surely, 2^725519223 is an apocalyptic number.

725519223 is a deficient number, since it is larger than the sum of its proper divisors (509061033).

725519223 is a wasteful number, since it uses less digits than its factorization.

725519223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584 (or 1581 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 725519223 is about 26935.4640390694. The cubic root of 725519223 is about 898.5652956116.

The spelling of 725519223 in words is "seven hundred twenty-five million, five hundred nineteen thousand, two hundred twenty-three".