725531113 has 8 divisors (see below), whose sum is σ = 777538368. Its totient is φ = 675229104.

The previous prime is 725531101. The next prime is 725531119. The reversal of 725531113 is 311135527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725531113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (725531119) 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 7 ways as a sum of consecutive naturals, for example, 425431 + ... + 427132.

It is an arithmetic number, because the mean of its divisors is an integer number (97192296).

Almost surely, 2^725531113 is an apocalyptic number.

It is an amenable number.

725531113 is a deficient number, since it is larger than the sum of its proper divisors (52007255).

725531113 is a wasteful number, since it uses less digits than its factorization.

725531113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852623.

The product of its digits is 3150, while the sum is 28.

The square root of 725531113 is about 26935.6847509025. The cubic root of 725531113 is about 898.5702042263.

The spelling of 725531113 in words is "seven hundred twenty-five million, five hundred thirty-one thousand, one hundred thirteen".