2561652 has 24 divisors (see below), whose sum is σ = 6641600. Its totient is φ = 853848.

The previous prime is 2561651. The next prime is 2561653.

2561652 is a `hidden beast` number, since 2 + 5 + 6 + 1 + 652 = 666.

2561652 is nontrivially palindromic in base 10.

2561652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2561651) and next prime (2561653).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 (2561651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11752 + ... + 11967.

2^2561652 is an apocalyptic number.

It is an amenable number.

2561652 is an abundant number, since it is smaller than the sum of its proper divisors (4079948).

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

2561652 is a wasteful number, since it uses less digits than its factorization.

2561652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23732 (or 23724 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2561652 is about 1600.5161667412. The cubic root of 2561652 is about 136.8274952429.

The spelling of 2561652 in words is "two million, five hundred sixty-one thousand, six hundred fifty-two".