6417225 has 30 divisors (see below), whose sum is σ = 11890670. Its totient is φ = 3421440.

The previous prime is 6417179. The next prime is 6417227. The reversal of 6417225 is 5227146.

6417225 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 3 ways, for example, as 1108809 + 5308416 = 1053^2 + 2304^2 .

It is not a de Polignac number, because 6417225 - 2¹² = 6413129 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

6417225 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6417227) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 441 + ... + 3609.

Almost surely, 2^6417225 is an apocalyptic number.

It is an amenable number.

6417225 is a deficient number, since it is larger than the sum of its proper divisors (5473445).

6417225 is a wasteful number, since it uses less digits than its factorization.

6417225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191 (or 3177 counting only the distinct ones).

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

The square root of 6417225 is about 2533.2242301068. The cubic root of 6417225 is about 185.8299694852.

The spelling of 6417225 in words is "six million, four hundred seventeen thousand, two hundred twenty-five".