630195 has 8 divisors (see below), whose sum is σ = 1008336. Its totient is φ = 336096.

The previous prime is 630193. The next prime is 630197. The reversal of 630195 is 591036.

It is an interprime number because it is at equal distance from previous prime (630193) and next prime (630197).

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

It is not a de Polignac number, because 630195 - 2¹ = 630193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20992 + ... + 21021.

It is an arithmetic number, because the mean of its divisors is an integer number (126042).

2⁶³⁰¹⁹⁵ is an apocalyptic number.

630195 is a deficient number, since it is larger than the sum of its proper divisors (378141).

630195 is a wasteful number, since it uses less digits than its factorization.

630195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42021.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 630195 is about 793.8482222692. The cubic root of 630195 is about 85.7350326762.

The spelling of 630195 in words is "six hundred thirty thousand, one hundred ninety-five".