2633663 has 2 divisors, whose sum is σ = 2633664. Its totient is φ = 2633662.

The previous prime is 2633651. The next prime is 2633677. The reversal of 2633663 is 3663362.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2633663 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2633263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1316831 + 1316832.

It is an arithmetic number, because the mean of its divisors is an integer number (1316832).

2^2633663 is an apocalyptic number.

2633663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2633663 is an equidigital number, since it uses as much as digits as its factorization.

2633663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 29.

The square root of 2633663 is about 1622.8564323439. The cubic root of 2633663 is about 138.0977917785.

It can be divided in two parts, 263 and 3663, that multiplied together give a palindrome (963369).

The spelling of 2633663 in words is "two million, six hundred thirty-three thousand, six hundred sixty-three".