2561076 has 36 divisors (see below), whose sum is σ = 7399392. Its totient is φ = 731664.

The previous prime is 2561071. The next prime is 2561089. The reversal of 2561076 is 6701652.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2561076² = 13118220555552, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2561071) 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, 4830 + ... + 5333.

2^2561076 is an apocalyptic number.

It is an amenable number.

2561076 is an abundant number, since it is smaller than the sum of its proper divisors (4838316).

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

2561076 is a wasteful number, since it uses less digits than its factorization.

2561076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10180 (or 10175 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2561076 is about 1600.3362146749. The cubic root of 2561076 is about 136.8172390299.

The spelling of 2561076 in words is "two million, five hundred sixty-one thousand, seventy-six".