632144563 has 2 divisors, whose sum is σ = 632144564. Its totient is φ = 632144562.

The previous prime is 632144537. The next prime is 632144587. The reversal of 632144563 is 365441236.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632144563 is a prime.

It is not a weakly prime, because it can be changed into another prime (632144533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316072281 + 316072282.

It is an arithmetic number, because the mean of its divisors is an integer number (316072282).

Almost surely, 2^632144563 is an apocalyptic number.

632144563 is a deficient number, since it is larger than the sum of its proper divisors (1).

632144563 is an equidigital number, since it uses as much as digits as its factorization.

632144563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 34.

The square root of 632144563 is about 25142.4852192459. The cubic root of 632144563 is about 858.2335125651.

Adding to 632144563 its reverse (365441236), we get a palindrome (997585799).

The spelling of 632144563 in words is "six hundred thirty-two million, one hundred forty-four thousand, five hundred sixty-three".