725223152 has 20 divisors (see below), whose sum is σ = 1417558080. Its totient is φ = 359401728.

The previous prime is 725223151. The next prime is 725223227. The reversal of 725223152 is 251322527.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725223151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198752 + ... + 202367.

It is an arithmetic number, because the mean of its divisors is an integer number (70877904).

Almost surely, 2^725223152 is an apocalyptic number.

It is an amenable number.

725223152 is a deficient number, since it is larger than the sum of its proper divisors (692334928).

725223152 is a wasteful number, since it uses less digits than its factorization.

725223152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401240 (or 401234 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 725223152 is about 26929.9675454687. The cubic root of 725223152 is about 898.4430496788.

Adding to 725223152 its reverse (251322527), we get a palindrome (976545679).

The spelling of 725223152 in words is "seven hundred twenty-five million, two hundred twenty-three thousand, one hundred fifty-two".