634918103 has 4 divisors (see below), whose sum is σ = 636470880. Its totient is φ = 633365328.

The previous prime is 634918027. The next prime is 634918121. The reversal of 634918103 is 301819436.

634918103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 634918103 - 2¹⁰ = 634917079 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 (634915103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775775 + ... + 776592.

It is an arithmetic number, because the mean of its divisors is an integer number (159117720).

Almost surely, 2^634918103 is an apocalyptic number.

634918103 is a deficient number, since it is larger than the sum of its proper divisors (1552777).

634918103 is a wasteful number, since it uses less digits than its factorization.

634918103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552776.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 634918103 is about 25197.5812926558. The cubic root of 634918103 is about 859.4868504431.

The spelling of 634918103 in words is "six hundred thirty-four million, nine hundred eighteen thousand, one hundred three".