2504256 has 28 divisors (see below), whose sum is σ = 6626352. Its totient is φ = 834688.

The previous prime is 2504251. The next prime is 2504261. The reversal of 2504256 is 6524052.

It is an interprime number because it is at equal distance from previous prime (2504251) and next prime (2504261).

It is a super-2 number, since 2×2504256² = 12542596227072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 2¹⁴ + 5² + 0 + 4³ + 2²¹ + 5⁸ + 6 .

It is not an unprimeable number, because it can be changed into a prime (2504251) 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, 6330 + ... + 6713.

2^2504256 is an apocalyptic number.

It is an amenable number.

2504256 is an abundant number, since it is smaller than the sum of its proper divisors (4122096).

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

2504256 is a wasteful number, since it uses less digits than its factorization.

2504256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13058 (or 13048 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2504256 is about 1582.4841231431. The cubic root of 2504256 is about 135.7978542423.

The spelling of 2504256 in words is "two million, five hundred four thousand, two hundred fifty-six".