2641256 has 16 divisors (see below), whose sum is σ = 5243940. Its totient is φ = 1242880.

The previous prime is 2641237. The next prime is 2641277. The reversal of 2641256 is 6521462.

2641256 = T₂₉₆ + T₂₉₇ + ... + T₃₄₆.

It can be written as a sum of positive squares in 2 ways, for example, as 2102500 + 538756 = 1450^2 + 734^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9575 + ... + 9846.

2^2641256 is an apocalyptic number.

It is an amenable number.

2641256 is a deficient number, since it is larger than the sum of its proper divisors (2602684).

2641256 is a wasteful number, since it uses less digits than its factorization.

2641256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19444 (or 19440 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 2641256 is about 1625.1941422489. The cubic root of 2641256 is about 138.2303790333.

The spelling of 2641256 in words is "two million, six hundred forty-one thousand, two hundred fifty-six".