632431903 has 2 divisors, whose sum is σ = 632431904. Its totient is φ = 632431902.

The previous prime is 632431901. The next prime is 632431939. The reversal of 632431903 is 309134236.

632431903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 632431903 - 2¹ = 632431901 is a prime.

It is a super-2 number, since 2×632431903² = 799940223864402818, which contains 22 as substring.

Together with 632431901, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632431901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316215951 + 316215952.

It is an arithmetic number, because the mean of its divisors is an integer number (316215952).

Almost surely, 2^632431903 is an apocalyptic number.

632431903 is a deficient number, since it is larger than the sum of its proper divisors (1).

632431903 is an equidigital number, since it uses as much as digits as its factorization.

632431903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 632431903 is about 25148.1988022999. The cubic root of 632431903 is about 858.3635289552.

The spelling of 632431903 in words is "six hundred thirty-two million, four hundred thirty-one thousand, nine hundred three".