2610881 has 12 divisors (see below), whose sum is σ = 3232512. Its totient is φ = 2064816.

The previous prime is 2610859. The next prime is 2610889. The reversal of 2610881 is 1880162.

It is a de Polignac number, because none of the positive numbers 2^k-2610881 is a prime.

It is a super-2 number, since 2×2610881² = 13633399192322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2610881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2610889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80 + ... + 2286.

It is an arithmetic number, because the mean of its divisors is an integer number (269376).

2^2610881 is an apocalyptic number.

It is an amenable number.

2610881 is a deficient number, since it is larger than the sum of its proper divisors (621631).

2610881 is a wasteful number, since it uses less digits than its factorization.

2610881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240 (or 2227 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 2610881 is about 1615.8220817899. The cubic root of 2610881 is about 137.6984418430.

The spelling of 2610881 in words is "two million, six hundred ten thousand, eight hundred eighty-one".