6417245 has 12 divisors (see below), whose sum is σ = 8182164. Its totient is φ = 4830720.

The previous prime is 6417233. The next prime is 6417247. The reversal of 6417245 is 5427146.

It can be written as a sum of positive squares in 6 ways, for example, as 177241 + 6240004 = 421^2 + 2498^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6417245 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6417247) 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, 776 + ... + 3665.

It is an arithmetic number, because the mean of its divisors is an integer number (681847).

Almost surely, 2^6417245 is an apocalyptic number.

It is an amenable number.

6417245 is a deficient number, since it is larger than the sum of its proper divisors (1764919).

6417245 is a wasteful number, since it uses less digits than its factorization.

6417245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480 (or 4463 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 6417245 is about 2533.2281776421. The cubic root of 6417245 is about 185.8301625383.

Subtracting from 6417245 its reverse (5427146), we obtain a palindrome (990099).

The spelling of 6417245 in words is "six million, four hundred seventeen thousand, two hundred forty-five".