6321256 has 16 divisors (see below), whose sum is σ = 11880900. Its totient is φ = 3153024.

The previous prime is 6321253. The next prime is 6321277. The reversal of 6321256 is 6521236.

It can be written as a sum of positive squares in 2 ways, for example, as 6081156 + 240100 = 2466^2 + 490^2 .

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 6321256.

It is not an unprimeable number, because it can be changed into a prime (6321253) 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, 4260 + ... + 5548.

Almost surely, 2^6321256 is an apocalyptic number.

It is an amenable number.

6321256 is a deficient number, since it is larger than the sum of its proper divisors (5559644).

6321256 is a wasteful number, since it uses less digits than its factorization.

6321256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908 (or 1904 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 6321256 is about 2514.2108105726. The cubic root of 6321256 is about 184.8989562656.

The spelling of 6321256 in words is "six million, three hundred twenty-one thousand, two hundred fifty-six".