630265 has 8 divisors (see below), whose sum is σ = 760968. Its totient is φ = 501120.

The previous prime is 630263. The next prime is 630281. The reversal of 630265 is 562036.

It can be written as a sum of positive squares in 4 ways, for example, as 7744 + 622521 = 88^2 + 789^2 .

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

It is not a de Polignac number, because 630265 - 2¹ = 630263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630263) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 895 + ... + 1435.

It is an arithmetic number, because the mean of its divisors is an integer number (95121).

2⁶³⁰²⁶⁵ is an apocalyptic number.

It is an amenable number.

630265 is a deficient number, since it is larger than the sum of its proper divisors (130703).

630265 is a wasteful number, since it uses less digits than its factorization.

630265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 630265 is about 793.8923100774. The cubic root of 630265 is about 85.7382069478.

The spelling of 630265 in words is "six hundred thirty thousand, two hundred sixty-five".