630255 has 8 divisors (see below), whose sum is σ = 1008432. Its totient is φ = 336128.

The previous prime is 630247. The next prime is 630263. The reversal of 630255 is 552036.

It is an interprime number because it is at equal distance from previous prime (630247) and next prime (630263).

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 630255 - 2³ = 630247 is a prime.

It is a plaindrome in base 16.

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, 20994 + ... + 21023.

It is an arithmetic number, because the mean of its divisors is an integer number (126054).

2⁶³⁰²⁵⁵ is an apocalyptic number.

630255 is a deficient number, since it is larger than the sum of its proper divisors (378177).

630255 is a wasteful number, since it uses less digits than its factorization.

630255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42025.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 630255 is about 793.8860119690. The cubic root of 630255 is about 85.7377534948.

The spelling of 630255 in words is "six hundred thirty thousand, two hundred fifty-five".