725053155 has 16 divisors (see below), whose sum is σ = 1175978400. Its totient is φ = 381397248.

The previous prime is 725053123. The next prime is 725053187. The reversal of 725053155 is 551350527.

It is an interprime number because it is at equal distance from previous prime (725053123) and next prime (725053187).

It is not a de Polignac number, because 725053155 - 2⁵ = 725053123 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 329980 + ... + 332169.

It is an arithmetic number, because the mean of its divisors is an integer number (73498650).

Almost surely, 2^725053155 is an apocalyptic number.

725053155 is a deficient number, since it is larger than the sum of its proper divisors (450925245).

725053155 is a wasteful number, since it uses less digits than its factorization.

725053155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662230.

The product of its (nonzero) digits is 26250, while the sum is 33.

The square root of 725053155 is about 26926.8110811511. The cubic root of 725053155 is about 898.3728439047.

The spelling of 725053155 in words is "seven hundred twenty-five million, fifty-three thousand, one hundred fifty-five".