632404631 has 4 divisors (see below), whose sum is σ = 632532192. Its totient is φ = 632277072.

The previous prime is 632404589. The next prime is 632404637. The reversal of 632404631 is 136404236.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 632404631 - 2²⁶ = 565295767 is a prime.

It is a super-2 number, since 2×632404631² = 799871234620492322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 632404594 and 632404603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632404637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56030 + ... + 66363.

It is an arithmetic number, because the mean of its divisors is an integer number (158133048).

Almost surely, 2^632404631 is an apocalyptic number.

632404631 is a deficient number, since it is larger than the sum of its proper divisors (127561).

632404631 is a wasteful number, since it uses less digits than its factorization.

632404631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127560.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 632404631 is about 25147.6565707423. The cubic root of 632404631 is about 858.3511905377.

Adding to 632404631 its reverse (136404236), we get a palindrome (768808867).

The spelling of 632404631 in words is "six hundred thirty-two million, four hundred four thousand, six hundred thirty-one".