6417653225 has 12 divisors (see below), whose sum is σ = 7968769356. Its totient is φ = 5127103680.

The previous prime is 6417653191. The next prime is 6417653261. The reversal of 6417653225 is 5223567146.

It can be written as a sum of positive squares in 6 ways, for example, as 768176656 + 5649476569 = 27716^2 + 75163^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6417653225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156782 + ... + 193431.

It is an arithmetic number, because the mean of its divisors is an integer number (664064113).

Almost surely, 2^6417653225 is an apocalyptic number.

It is an amenable number.

6417653225 is a deficient number, since it is larger than the sum of its proper divisors (1551116131).

6417653225 is a wasteful number, since it uses less digits than its factorization.

6417653225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350956 (or 350951 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 6417653225 is about 80110.2566779061. The cubic root of 6417653225 is about 1858.3410290569.

The spelling of 6417653225 in words is "six billion, four hundred seventeen million, six hundred fifty-three thousand, two hundred twenty-five".