634430255 has 8 divisors (see below), whose sum is σ = 762040224. Its totient is φ = 507061600.

The previous prime is 634430233. The next prime is 634430281. The reversal of 634430255 is 552034436.

634430255 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 634430255 - 2¹² = 634426159 is a prime.

It is a Duffinian number.

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, 54491 + ... + 65100.

It is an arithmetic number, because the mean of its divisors is an integer number (95255028).

Almost surely, 2^634430255 is an apocalyptic number.

634430255 is a deficient number, since it is larger than the sum of its proper divisors (127609969).

634430255 is a wasteful number, since it uses less digits than its factorization.

634430255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120657.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 634430255 is about 25187.8989794703. The cubic root of 634430255 is about 859.2666612165.

The spelling of 634430255 in words is "six hundred thirty-four million, four hundred thirty thousand, two hundred fifty-five".