6425172 has 36 divisors (see below), whose sum is σ = 17492020. Its totient is φ = 1976832.

The previous prime is 6425171. The next prime is 6425179. The reversal of 6425172 is 2715246.

6425172 is a `hidden beast` number, since 642 + 5 + 17 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1602756 + 4822416 = 1266^2 + 2196^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6425171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6397 + ... + 7332.

Almost surely, 2^6425172 is an apocalyptic number.

It is an amenable number.

6425172 is an abundant number, since it is smaller than the sum of its proper divisors (11066848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6425172 is a wasteful number, since it uses less digits than its factorization.

6425172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13752 (or 13747 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 6425172 is about 2534.7922991835. The cubic root of 6425172 is about 185.9066475703.

The spelling of 6425172 in words is "six million, four hundred twenty-five thousand, one hundred seventy-two".