634413103 has 4 divisors (see below), whose sum is σ = 634700968. Its totient is φ = 634125240.

The previous prime is 634413083. The next prime is 634413107. The reversal of 634413103 is 301314436.

It is a happy number.

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 634413103 - 2¹⁷ = 634282031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634413107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140601 + ... + 145042.

It is an arithmetic number, because the mean of its divisors is an integer number (158675242).

Almost surely, 2^634413103 is an apocalyptic number.

634413103 is a deficient number, since it is larger than the sum of its proper divisors (287865).

634413103 is a wasteful number, since it uses less digits than its factorization.

634413103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287864.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 634413103 is about 25187.5584962100. The cubic root of 634413103 is about 859.2589176416.

Adding to 634413103 its reverse (301314436), we get a palindrome (935727539).

The spelling of 634413103 in words is "six hundred thirty-four million, four hundred thirteen thousand, one hundred three".