631652543 has 2 divisors, whose sum is σ = 631652544. Its totient is φ = 631652542.

The previous prime is 631652501. The next prime is 631652551. The reversal of 631652543 is 345256136.

631652543 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 631652543 - 2¹⁰ = 631651519 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (631652563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315826271 + 315826272.

It is an arithmetic number, because the mean of its divisors is an integer number (315826272).

Almost surely, 2^631652543 is an apocalyptic number.

631652543 is a deficient number, since it is larger than the sum of its proper divisors (1).

631652543 is an equidigital number, since it uses as much as digits as its factorization.

631652543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 35.

The square root of 631652543 is about 25132.6986812002. The cubic root of 631652543 is about 858.0107904852.

The spelling of 631652543 in words is "six hundred thirty-one million, six hundred fifty-two thousand, five hundred forty-three".