2641568 has 12 divisors (see below), whose sum is σ = 5200650. Its totient is φ = 1320768.

The previous prime is 2641567. The next prime is 2641571. The reversal of 2641568 is 8651462.

It can be written as a sum of positive squares in only one way, i.e., 1817104 + 824464 = 1348^2 + 908^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 82549 = 2641568 / (2 + 6 + 4 + 1 + 5 + 6 + 8).

It is not an unprimeable number, because it can be changed into a prime (2641567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41243 + ... + 41306.

2^2641568 is an apocalyptic number.

It is an amenable number.

2641568 is a deficient number, since it is larger than the sum of its proper divisors (2559082).

2641568 is an equidigital number, since it uses as much as digits as its factorization.

2641568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82559 (or 82551 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 2641568 is about 1625.2901279464. The cubic root of 2641568 is about 138.2358216687.

The spelling of 2641568 in words is "two million, six hundred forty-one thousand, five hundred sixty-eight".