630235255 has 16 divisors (see below), whose sum is σ = 823616640. Its totient is φ = 460171008.

The previous prime is 630235247. The next prime is 630235261. The reversal of 630235255 is 552532036.

It is a cyclic number.

It is not a de Polignac number, because 630235255 - 2³ = 630235247 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 48687 + ... + 60256.

It is an arithmetic number, because the mean of its divisors is an integer number (51476040).

Almost surely, 2^630235255 is an apocalyptic number.

630235255 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

630235255 is a deficient number, since it is larger than the sum of its proper divisors (193381385).

630235255 is a wasteful number, since it uses less digits than its factorization.

630235255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109050.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 630235255 is about 25104.4867503799. The cubic root of 630235255 is about 857.3685813782.

The spelling of 630235255 in words is "six hundred thirty million, two hundred thirty-five thousand, two hundred fifty-five".