2500881 has 8 divisors (see below), whose sum is σ = 3344640. Its totient is φ = 1662192.

The previous prime is 2500879. The next prime is 2500889. The reversal of 2500881 is 1880052.

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

It is not a de Polignac number, because 2500881 - 2¹ = 2500879 is a prime.

It is a super-2 number, since 2×2500881² = 12508811552322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2500889) 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, 96 + ... + 2238.

It is an arithmetic number, because the mean of its divisors is an integer number (418080).

2^2500881 is an apocalyptic number.

It is an amenable number.

2500881 is a deficient number, since it is larger than the sum of its proper divisors (843759).

2500881 is a wasteful number, since it uses less digits than its factorization.

2500881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 2500881 is about 1581.4174022060. The cubic root of 2500881 is about 135.7368216368.

The spelling of 2500881 in words is "two million, five hundred thousand, eight hundred eighty-one".