634874255 has 8 divisors (see below), whose sum is σ = 763083600. Its totient is φ = 507076416.

The previous prime is 634874239. The next prime is 634874287. The reversal of 634874255 is 552478436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 634874255 - 2⁴ = 634874239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99470 + ... + 105659.

It is an arithmetic number, because the mean of its divisors is an integer number (95385450).

Almost surely, 2^634874255 is an apocalyptic number.

634874255 is a deficient number, since it is larger than the sum of its proper divisors (128209345).

634874255 is a wasteful number, since it uses less digits than its factorization.

634874255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205753.

The product of its digits is 806400, while the sum is 44.

The square root of 634874255 is about 25196.7111941221. The cubic root of 634874255 is about 859.4670643495.

The spelling of 634874255 in words is "six hundred thirty-four million, eight hundred seventy-four thousand, two hundred fifty-five".