630114821 has 8 divisors (see below), whose sum is σ = 723362304. Its totient is φ = 537675120.

The previous prime is 630114787. The next prime is 630114839. The reversal of 630114821 is 128411036.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630114821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630114851) 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, 200270 + ... + 203391.

It is an arithmetic number, because the mean of its divisors is an integer number (90420288).

Almost surely, 2^630114821 is an apocalyptic number.

It is an amenable number.

630114821 is a deficient number, since it is larger than the sum of its proper divisors (93247483).

630114821 is a wasteful number, since it uses less digits than its factorization.

630114821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403891.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 630114821 is about 25102.0879808832. The cubic root of 630114821 is about 857.3139653149.

Adding to 630114821 its reverse (128411036), we get a palindrome (758525857).

The spelling of 630114821 in words is "six hundred thirty million, one hundred fourteen thousand, eight hundred twenty-one".