6368625 has 80 divisors (see below), whose sum is σ = 12911184. Its totient is φ = 3110400.

The previous prime is 6368617. The next prime is 6368627. The reversal of 6368625 is 5268636.

It can be written as a sum of positive squares in 8 ways, for example, as 331776 + 6036849 = 576^2 + 2457^2 .

It is not a de Polignac number, because 6368625 - 2³ = 6368617 is a prime.

Its product of digits (51840) is a multiple of the sum of its prime factors (81).

It is a self number, because there is not a number n which added to its sum of digits gives 6368625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6368627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 172107 + ... + 172143.

Almost surely, 2^6368625 is an apocalyptic number.

It is an amenable number.

6368625 is an abundant number, since it is smaller than the sum of its proper divisors (6542559).

6368625 is a wasteful number, since it uses less digits than its factorization.

6368625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 62 counting only the distinct ones).

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

The square root of 6368625 is about 2523.6134807058. The cubic root of 6368625 is about 185.3596606866.

It can be divided in two parts, 636 and 8625, that added together give a cube (9261 = 21³).

The spelling of 6368625 in words is "six million, three hundred sixty-eight thousand, six hundred twenty-five".