630300893 has 4 divisors (see below), whose sum is σ = 636083580. Its totient is φ = 624518208.

The previous prime is 630300871. The next prime is 630300899. The reversal of 630300893 is 398003036.

It is a happy number.

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 195244729 + 435056164 = 13973^2 + 20858^2 .

It is a cyclic number.

It is not a de Polignac number, because 630300893 - 2⁸ = 630300637 is a prime.

It is a super-3 number, since 3×630300893³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630300899) 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, 2891180 + ... + 2891397.

It is an arithmetic number, because the mean of its divisors is an integer number (159020895).

Almost surely, 2^630300893 is an apocalyptic number.

It is an amenable number.

630300893 is a deficient number, since it is larger than the sum of its proper divisors (5782687).

630300893 is a wasteful number, since it uses less digits than its factorization.

630300893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5782686.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 630300893 is about 25105.7940125382. The cubic root of 630300893 is about 857.3983448699.

The spelling of 630300893 in words is "six hundred thirty million, three hundred thousand, eight hundred ninety-three".