2536881 has 8 divisors (see below), whose sum is σ = 3393600. Its totient is φ = 1685712.

The previous prime is 2536873. The next prime is 2536903. The reversal of 2536881 is 1886352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2536881 - 2³ = 2536873 is a prime.

It is a super-2 number, since 2×2536881² = 12871530416322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2536801) 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, 165 + ... + 2258.

It is an arithmetic number, because the mean of its divisors is an integer number (424200).

2^2536881 is an apocalyptic number.

It is an amenable number.

2536881 is a deficient number, since it is larger than the sum of its proper divisors (856719).

2536881 is a wasteful number, since it uses less digits than its factorization.

2536881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775.

The product of its digits is 11520, while the sum is 33.

The square root of 2536881 is about 1592.7589271450. The cubic root of 2536881 is about 136.3850284419.

The spelling of 2536881 in words is "two million, five hundred thirty-six thousand, eight hundred eighty-one".