632217643 has 2 divisors, whose sum is σ = 632217644. Its totient is φ = 632217642.

The previous prime is 632217617. The next prime is 632217653. The reversal of 632217643 is 346712236.

632217643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 632217643 - 2¹³ = 632209451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 632217599 and 632217608.

It is not a weakly prime, because it can be changed into another prime (632217653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316108821 + 316108822.

It is an arithmetic number, because the mean of its divisors is an integer number (316108822).

Almost surely, 2^632217643 is an apocalyptic number.

632217643 is a deficient number, since it is larger than the sum of its proper divisors (1).

632217643 is an equidigital number, since it uses as much as digits as its factorization.

632217643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 34.

The square root of 632217643 is about 25143.9384941978. The cubic root of 632217643 is about 858.2665837390.

Adding to 632217643 its reverse (346712236), we get a palindrome (978929879).

The spelling of 632217643 in words is "six hundred thirty-two million, two hundred seventeen thousand, six hundred forty-three".