2076561 has 6 divisors (see below), whose sum is σ = 2999490. Its totient is φ = 1384368.

The previous prime is 2076539. The next prime is 2076563. The reversal of 2076561 is 1656702.

2076561 is a `hidden beast` number, since 2 + 0 + 7 + 656 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1640961 + 435600 = 1281^2 + 660^2 .

It is not a de Polignac number, because 2076561 - 2⁷ = 2076433 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2076563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115356 + ... + 115373.

It is an arithmetic number, because the mean of its divisors is an integer number (499915).

2^2076561 is an apocalyptic number.

It is an amenable number.

2076561 is a deficient number, since it is larger than the sum of its proper divisors (922929).

2076561 is a wasteful number, since it uses less digits than its factorization.

2076561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230735 (or 230732 counting only the distinct ones).

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

The square root of 2076561 is about 1441.0277582337. The cubic root of 2076561 is about 127.5796964252.

The spelling of 2076561 in words is "two million, seventy-six thousand, five hundred sixty-one".