634059005 has 4 divisors (see below), whose sum is σ = 760870812. Its totient is φ = 507247200.

The previous prime is 634058993. The next prime is 634059011. The reversal of 634059005 is 500950436.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 107723641 + 526335364 = 10379^2 + 22942^2 .

It is not a de Polignac number, because 634059005 - 2⁸ = 634058749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63405896 + ... + 63405905.

It is an arithmetic number, because the mean of its divisors is an integer number (190217703).

Almost surely, 2^634059005 is an apocalyptic number.

It is an amenable number.

634059005 is a deficient number, since it is larger than the sum of its proper divisors (126811807).

634059005 is a wasteful number, since it uses less digits than its factorization.

634059005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126811806.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 634059005 is about 25180.5282907250. The cubic root of 634059005 is about 859.0990226203.

The spelling of 634059005 in words is "six hundred thirty-four million, fifty-nine thousand, five".