633622313 has 2 divisors, whose sum is σ = 633622314. Its totient is φ = 633622312.

The previous prime is 633622307. The next prime is 633622321. The reversal of 633622313 is 313226336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 375313129 + 258309184 = 19373^2 + 16072^2 .

It is a cyclic number.

It is not a de Polignac number, because 633622313 - 2⁸ = 633622057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (633622513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316811156 + 316811157.

It is an arithmetic number, because the mean of its divisors is an integer number (316811157).

Almost surely, 2^633622313 is an apocalyptic number.

It is an amenable number.

633622313 is a deficient number, since it is larger than the sum of its proper divisors (1).

633622313 is an equidigital number, since it uses as much as digits as its factorization.

633622313 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 633622313 is about 25171.8555732389. The cubic root of 633622313 is about 858.9017497966.

Adding to 633622313 its reverse (313226336), we get a palindrome (946848649).

The spelling of 633622313 in words is "six hundred thirty-three million, six hundred twenty-two thousand, three hundred thirteen".