2641633 has 2 divisors, whose sum is σ = 2641634. Its totient is φ = 2641632.

The previous prime is 2641631. The next prime is 2641637. The reversal of 2641633 is 3361462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2140369 + 501264 = 1463^2 + 708^2 .

It is a cyclic number.

It is not a de Polignac number, because 2641633 - 2¹ = 2641631 is a prime.

Together with 2641631, it forms a pair of twin primes.

2641633 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2641598 and 2641607.

It is not a weakly prime, because it can be changed into another prime (2641631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320816 + 1320817.

It is an arithmetic number, because the mean of its divisors is an integer number (1320817).

2^2641633 is an apocalyptic number.

It is an amenable number.

2641633 is a deficient number, since it is larger than the sum of its proper divisors (1).

2641633 is an equidigital number, since it uses as much as digits as its factorization.

2641633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 25.

The square root of 2641633 is about 1625.3101242532. The cubic root of 2641633 is about 138.2369554971.

The spelling of 2641633 in words is "two million, six hundred forty-one thousand, six hundred thirty-three".