630271 has 4 divisors (see below), whose sum is σ = 632632. Its totient is φ = 627912.

The previous prime is 630263. The next prime is 630281. The reversal of 630271 is 172036.

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

It is a cyclic number.

It is not a de Polignac number, because 630271 - 2³ = 630263 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720 + ... + 1333.

It is an arithmetic number, because the mean of its divisors is an integer number (158158).

2⁶³⁰²⁷¹ is an apocalyptic number.

630271 is a deficient number, since it is larger than the sum of its proper divisors (2361).

630271 is a wasteful number, since it uses less digits than its factorization.

630271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 630271 is about 793.8960889184. The cubic root of 630271 is about 85.7384790172.

The spelling of 630271 in words is "six hundred thirty thousand, two hundred seventy-one".