634532113 has 12 divisors (see below), whose sum is σ = 684651280. Its totient is φ = 586444320.

The previous prime is 634532069. The next prime is 634532117. The reversal of 634532113 is 311235436.

It is not a de Polignac number, because 634532113 - 2¹⁷ = 634401041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634532117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22006 + ... + 41872.

Almost surely, 2^634532113 is an apocalyptic number.

It is an amenable number.

634532113 is a deficient number, since it is larger than the sum of its proper divisors (50119167).

634532113 is a wasteful number, since it uses less digits than its factorization.

634532113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19968 (or 19927 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 634532113 is about 25189.9208613286. The cubic root of 634532113 is about 859.3126439437.

Adding to 634532113 its reverse (311235436), we get a palindrome (945767549).

The spelling of 634532113 in words is "six hundred thirty-four million, five hundred thirty-two thousand, one hundred thirteen".