530507983 has 4 divisors (see below), whose sum is σ = 530969248. Its totient is φ = 530046720.

The previous prime is 530507981. The next prime is 530508007. The reversal of 530507983 is 389705035.

It is a happy number.

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 530507983 - 2¹ = 530507981 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 (530507981) 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, 228903 + ... + 231208.

It is an arithmetic number, because the mean of its divisors is an integer number (132742312).

Almost surely, 2^530507983 is an apocalyptic number.

530507983 is a deficient number, since it is larger than the sum of its proper divisors (461265).

530507983 is a wasteful number, since it uses less digits than its factorization.

530507983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461264.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 530507983 is about 23032.7589098657. The cubic root of 530507983 is about 809.5257005812.

The spelling of 530507983 in words is "five hundred thirty million, five hundred seven thousand, nine hundred eighty-three".