630293 has 4 divisors (see below), whose sum is σ = 645708. Its totient is φ = 614880.

The previous prime is 630281. The next prime is 630299. The reversal of 630293 is 392036.

It is a happy number.

630293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18769 + 611524 = 137^2 + 782^2 .

It is a cyclic number.

It is not a de Polignac number, because 630293 - 2⁶ = 630229 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630299) 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, 7646 + ... + 7727.

It is an arithmetic number, because the mean of its divisors is an integer number (161427).

2⁶³⁰²⁹³ is an apocalyptic number.

It is an amenable number.

630293 is a deficient number, since it is larger than the sum of its proper divisors (15415).

630293 is a wasteful number, since it uses less digits than its factorization.

630293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15414.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 630293 is about 793.9099445151. The cubic root of 630293 is about 85.7394765905.

The spelling of 630293 in words is "six hundred thirty thousand, two hundred ninety-three".