2564633 has 2 divisors, whose sum is σ = 2564634. Its totient is φ = 2564632.

The previous prime is 2564621. The next prime is 2564651. The reversal of 2564633 is 3364652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1982464 + 582169 = 1408^2 + 763^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2564633 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2564596 and 2564605.

It is not a weakly prime, because it can be changed into another prime (2564663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282316 + 1282317.

It is an arithmetic number, because the mean of its divisors is an integer number (1282317).

2^2564633 is an apocalyptic number.

It is an amenable number.

2564633 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564633 is an equidigital number, since it uses as much as digits as its factorization.

2564633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 29.

The square root of 2564633 is about 1601.4471580418. The cubic root of 2564633 is about 136.8805501527.

The spelling of 2564633 in words is "two million, five hundred sixty-four thousand, six hundred thirty-three".