6507225 has 18 divisors (see below), whose sum is σ = 11655566. Its totient is φ = 3470400.

The previous prime is 6507217. The next prime is 6507239. The reversal of 6507225 is 5227056.

6507225 is a `hidden beast` number, since 650 + 7 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 876096 + 5631129 = 936^2 + 2373^2 .

It is not a de Polignac number, because 6507225 - 2³ = 6507217 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14236 + ... + 14685.

Almost surely, 2^6507225 is an apocalyptic number.

It is an amenable number.

6507225 is a deficient number, since it is larger than the sum of its proper divisors (5148341).

6507225 is a wasteful number, since it uses less digits than its factorization.

6507225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28937 (or 28929 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 6507225 is about 2550.9263023459. The cubic root of 6507225 is about 186.6946793986.

It can be divided in two parts, 650 and 7225, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 6507225 in words is "six million, five hundred seven thousand, two hundred twenty-five".