628136325 has 36 divisors (see below), whose sum is σ = 1173987360. Its totient is φ = 320437920.

The previous prime is 628136321. The next prime is 628136339. The reversal of 628136325 is 523631826.

It is a happy number.

628136325 is a `hidden beast` number, since 6 + 2 + 8 + 13 + 632 + 5 = 666.

It is not a de Polignac number, because 628136325 - 2² = 628136321 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 628136325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628136321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 55515 + ... + 65864.

It is an arithmetic number, because the mean of its divisors is an integer number (32610760).

Almost surely, 2^628136325 is an apocalyptic number.

It is an amenable number.

628136325 is a deficient number, since it is larger than the sum of its proper divisors (545851035).

628136325 is a wasteful number, since it uses less digits than its factorization.

628136325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121418 (or 121410 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 628136325 is about 25062.6480045505. The cubic root of 628136325 is about 856.4157318566.

The spelling of 628136325 in words is "six hundred twenty-eight million, one hundred thirty-six thousand, three hundred twenty-five".