631743053 has 2 divisors, whose sum is σ = 631743054. Its totient is φ = 631743052.

The previous prime is 631743011. The next prime is 631743071. The reversal of 631743053 is 350347136.

631743053 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 can be written as a sum of positive squares in only one way, i.e., 587480644 + 44262409 = 24238^2 + 6653^2 .

It is a cyclic number.

It is not a de Polignac number, because 631743053 - 2¹⁰ = 631742029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (631743083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315871526 + 315871527.

It is an arithmetic number, because the mean of its divisors is an integer number (315871527).

Almost surely, 2^631743053 is an apocalyptic number.

It is an amenable number.

631743053 is a deficient number, since it is larger than the sum of its proper divisors (1).

631743053 is an equidigital number, since it uses as much as digits as its factorization.

631743053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 631743053 is about 25134.4992589866. The cubic root of 631743053 is about 858.0517702130.

The spelling of 631743053 in words is "six hundred thirty-one million, seven hundred forty-three thousand, fifty-three".