2645256 has 32 divisors (see below), whose sum is σ = 6962400. Its totient is φ = 835200.

The previous prime is 2645239. The next prime is 2645257. The reversal of 2645256 is 6525462.

It is not an unprimeable number, because it can be changed into a prime (2645257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2445 + ... + 3356.

It is an arithmetic number, because the mean of its divisors is an integer number (217575).

2^2645256 is an apocalyptic number.

It is an amenable number.

2645256 is an abundant number, since it is smaller than the sum of its proper divisors (4317144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2645256 is a wasteful number, since it uses less digits than its factorization.

2645256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5829 (or 5825 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 2645256 is about 1626.4242988839. The cubic root of 2645256 is about 138.3001239615.

The spelling of 2645256 in words is "two million, six hundred forty-five thousand, two hundred fifty-six".