2653564 has 12 divisors (see below), whose sum is σ = 4917024. Its totient is φ = 1248704.

The previous prime is 2653549. The next prime is 2653571. The reversal of 2653564 is 4653562.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19444 + ... + 19579.

It is an arithmetic number, because the mean of its divisors is an integer number (409752).

2^2653564 is an apocalyptic number.

It is an amenable number.

2653564 is a deficient number, since it is larger than the sum of its proper divisors (2263460).

2653564 is a wasteful number, since it uses less digits than its factorization.

2653564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39044 (or 39042 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 2653564 is about 1628.9763656972. The cubic root of 2653564 is about 138.4447598219. Note that the first 3 decimals are identical.

The spelling of 2653564 in words is "two million, six hundred fifty-three thousand, five hundred sixty-four".