630995 has 4 divisors (see below), whose sum is σ = 757200. Its totient is φ = 504792.

The previous prime is 630967. The next prime is 630997. The reversal of 630995 is 599036.

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 630995 - 2¹⁴ = 614611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630997) 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, 63095 + ... + 63104.

It is an arithmetic number, because the mean of its divisors is an integer number (189300).

2⁶³⁰⁹⁹⁵ is an apocalyptic number.

630995 is a deficient number, since it is larger than the sum of its proper divisors (126205).

630995 is a wasteful number, since it uses less digits than its factorization.

630995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126204.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 630995 is about 794.3519371160. The cubic root of 630995 is about 85.7712960675.

The spelling of 630995 in words is "six hundred thirty thousand, nine hundred ninety-five".