616725225 has 48 divisors (see below), whose sum is σ = 1154390400. Its totient is φ = 322695360.

The previous prime is 616725217. The next prime is 616725251. The reversal of 616725225 is 522527616.

616725225 is a `hidden beast` number, since 61 + 6 + 72 + 522 + 5 = 666.

616725225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 616725225 - 2³ = 616725217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 616725225.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27156 + ... + 44394.

It is an arithmetic number, because the mean of its divisors is an integer number (24049800).

Almost surely, 2^616725225 is an apocalyptic number.

It is an amenable number.

616725225 is a deficient number, since it is larger than the sum of its proper divisors (537665175).

616725225 is a wasteful number, since it uses less digits than its factorization.

616725225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17311 (or 17300 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 616725225 is about 24833.9530683297. The cubic root of 616725225 is about 851.1979533084.

The spelling of 616725225 in words is "six hundred sixteen million, seven hundred twenty-five thousand, two hundred twenty-five".