725527117 has 16 divisors (see below), whose sum is σ = 860392960. Its totient is φ = 598814208.

The previous prime is 725527091. The next prime is 725527129. The reversal of 725527117 is 711725527.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725527117 is a prime.

It is a super-3 number, since 3×725527117³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725522117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10684 + ... + 39562.

It is an arithmetic number, because the mean of its divisors is an integer number (53774560).

Almost surely, 2^725527117 is an apocalyptic number.

It is an amenable number.

725527117 is a deficient number, since it is larger than the sum of its proper divisors (134865843).

725527117 is a wasteful number, since it uses less digits than its factorization.

725527117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29020.

The product of its digits is 34300, while the sum is 37.

The square root of 725527117 is about 26935.6105741080. The cubic root of 725527117 is about 898.5685545414.

The spelling of 725527117 in words is "seven hundred twenty-five million, five hundred twenty-seven thousand, one hundred seventeen".