6456256 has 28 divisors (see below), whose sum is σ = 12893040. Its totient is φ = 3207680.

The previous prime is 6456253. The next prime is 6456259. The reversal of 6456256 is 6526546.

It is an interprime number because it is at equal distance from previous prime (6456253) and next prime (6456259).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6456253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17805 + ... + 18163.

Almost surely, 2^6456256 is an apocalyptic number.

It is an amenable number.

6456256 is a deficient number, since it is larger than the sum of its proper divisors (6436784).

6456256 is a wasteful number, since it uses less digits than its factorization.

6456256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 642 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 6456256 is about 2540.9163701311. The cubic root of 6456256 is about 186.2059613910.

The spelling of 6456256 in words is "six million, four hundred fifty-six thousand, two hundred fifty-six".