6366725 has 12 divisors (see below), whose sum is σ = 7935876. Its totient is φ = 5066880.

The previous prime is 6366719. The next prime is 6366743. The reversal of 6366725 is 5276636.

6366725 = 35² + 36² + ... + 267².

It can be written as a sum of positive squares in 6 ways, for example, as 6241 + 6360484 = 79^2 + 2522^2 .

It is not a de Polignac number, because 6366725 - 2¹⁴ = 6350341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5279 + ... + 6371.

It is an arithmetic number, because the mean of its divisors is an integer number (661323).

Almost surely, 2^6366725 is an apocalyptic number.

It is an amenable number.

6366725 is a deficient number, since it is larger than the sum of its proper divisors (1569151).

6366725 is a wasteful number, since it uses less digits than its factorization.

6366725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 1331 counting only the distinct ones).

The product of its digits is 45360, while the sum is 35.

The square root of 6366725 is about 2523.2370082892. The cubic root of 6366725 is about 185.3412256040.

The spelling of 6366725 in words is "six million, three hundred sixty-six thousand, seven hundred twenty-five".