725152653 has 6 divisors (see below), whose sum is σ = 1047442734. Its totient is φ = 483435096.

The previous prime is 725152471. The next prime is 725152661. The reversal of 725152653 is 356251527.

725152653 is a `hidden beast` number, since 72 + 515 + 26 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 447830244 + 277322409 = 21162^2 + 16653^2 .

It is not a de Polignac number, because 725152653 - 2²⁵ = 691598221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725150653) 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 5 ways as a sum of consecutive naturals, for example, 40286250 + ... + 40286267.

It is an arithmetic number, because the mean of its divisors is an integer number (174573789).

Almost surely, 2^725152653 is an apocalyptic number.

It is an amenable number.

725152653 is a deficient number, since it is larger than the sum of its proper divisors (322290081).

725152653 is a wasteful number, since it uses less digits than its factorization.

725152653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80572523 (or 80572520 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 725152653 is about 26928.6585815187. The cubic root of 725152653 is about 898.4139361621.

The spelling of 725152653 in words is "seven hundred twenty-five million, one hundred fifty-two thousand, six hundred fifty-three".