530304983 has 4 divisors (see below), whose sum is σ = 571097688. Its totient is φ = 489512280.

The previous prime is 530304961. The next prime is 530304989. The reversal of 530304983 is 389403035.

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

It is a cyclic number.

It is not a de Polignac number, because 530304983 - 2¹⁸ = 530042839 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 (530304989) 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, 20396333 + ... + 20396358.

It is an arithmetic number, because the mean of its divisors is an integer number (142774422).

Almost surely, 2^530304983 is an apocalyptic number.

530304983 is a deficient number, since it is larger than the sum of its proper divisors (40792705).

530304983 is a wasteful number, since it uses less digits than its factorization.

530304983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40792704.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 530304983 is about 23028.3517213022. The cubic root of 530304983 is about 809.4224318352.

The spelling of 530304983 in words is "five hundred thirty million, three hundred four thousand, nine hundred eighty-three".