2511256 has 16 divisors (see below), whose sum is σ = 5136840. Its totient is φ = 1141440.

The previous prime is 2511253. The next prime is 2511259. The reversal of 2511256 is 6521152.

It is an interprime number because it is at equal distance from previous prime (2511253) and next prime (2511259).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2511253) 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, 14181 + ... + 14356.

2^2511256 is an apocalyptic number.

It is an amenable number.

2511256 is an abundant number, since it is smaller than the sum of its proper divisors (2625584).

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

2511256 is a wasteful number, since it uses less digits than its factorization.

2511256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28554 (or 28550 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 2511256 is about 1584.6942922848. The cubic root of 2511256 is about 135.9242657923.

The spelling of 2511256 in words is "two million, five hundred eleven thousand, two hundred fifty-six".