632630313 has 24 divisors (see below), whose sum is σ = 1064052288. Its totient is φ = 354680352.

The previous prime is 632630263. The next prime is 632630321. The reversal of 632630313 is 313036236.

It is not a de Polignac number, because 632630313 - 2⁸ = 632630057 is a prime.

It is a super-2 number, since 2×632630313² = 800442225852955938, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (632630363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91395 + ... + 98072.

It is an arithmetic number, because the mean of its divisors is an integer number (44335512).

Almost surely, 2^632630313 is an apocalyptic number.

632630313 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

632630313 is a deficient number, since it is larger than the sum of its proper divisors (431421975).

632630313 is a wasteful number, since it uses less digits than its factorization.

632630313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189533 (or 189530 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

The square root of 632630313 is about 25152.1433082749. The cubic root of 632630313 is about 858.4532830721.

Adding to 632630313 its reverse (313036236), we get a palindrome (945666549).

The spelling of 632630313 in words is "six hundred thirty-two million, six hundred thirty thousand, three hundred thirteen".