530645983 has 8 divisors (see below), whose sum is σ = 610816640. Its totient is φ = 451566360.

The previous prime is 530645981. The next prime is 530645987. The reversal of 530645983 is 389546035.

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

It is not a de Polignac number, because 530645983 - 2¹ = 530645981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530645981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271713 + ... + 273658.

It is an arithmetic number, because the mean of its divisors is an integer number (76352080).

Almost surely, 2^530645983 is an apocalyptic number.

530645983 is a deficient number, since it is larger than the sum of its proper divisors (80170657).

530645983 is a wasteful number, since it uses less digits than its factorization.

530645983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545517.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 530645983 is about 23035.7544482485. The cubic root of 530645983 is about 809.5958879394.

The spelling of 530645983 in words is "five hundred thirty million, six hundred forty-five thousand, nine hundred eighty-three".