6385625 has 20 divisors (see below), whose sum is σ = 8462916. Its totient is φ = 4800000.

The previous prime is 6385619. The next prime is 6385733. The reversal of 6385625 is 5265836.

It can be written as a sum of positive squares in 10 ways, for example, as 2866249 + 3519376 = 1693^2 + 1876^2 .

It is not a de Polignac number, because 6385625 - 2⁴ = 6385609 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10325 + ... + 10925.

Almost surely, 2^6385625 is an apocalyptic number.

It is an amenable number.

6385625 is a deficient number, since it is larger than the sum of its proper divisors (2077291).

6385625 is an equidigital number, since it uses as much as digits as its factorization.

6385625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 623 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 6385625 is about 2526.9794221560. The cubic root of 6385625 is about 185.5244432254.

The spelling of 6385625 in words is "six million, three hundred eighty-five thousand, six hundred twenty-five".