2608663 has 2 divisors, whose sum is σ = 2608664. Its totient is φ = 2608662.

The previous prime is 2608649. The next prime is 2608693. The reversal of 2608663 is 3668062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2608663 - 2⁵ = 2608631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2608693) by changing a digit.

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 as a sum of consecutive naturals, namely, 1304331 + 1304332.

It is an arithmetic number, because the mean of its divisors is an integer number (1304332).

2^2608663 is an apocalyptic number.

2608663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2608663 is an equidigital number, since it uses as much as digits as its factorization.

2608663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2608663 is about 1615.1355980227. The cubic root of 2608663 is about 137.6594381924.

The spelling of 2608663 in words is "two million, six hundred eight thousand, six hundred sixty-three".