530304977 has 4 divisors (see below), whose sum is σ = 530591796. Its totient is φ = 530018160.

The previous prime is 530304961. The next prime is 530304989. The reversal of 530304977 is 779403035.

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 184307776 + 345997201 = 13576^2 + 18601^2 .

It is a cyclic number.

It is not a de Polignac number, because 530304977 - 2⁴ = 530304961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 530304977.

It is not an unprimeable number, because it can be changed into a prime (530304937) 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, 140618 + ... + 144339.

It is an arithmetic number, because the mean of its divisors is an integer number (132647949).

Almost surely, 2^530304977 is an apocalyptic number.

It is an amenable number.

530304977 is a deficient number, since it is larger than the sum of its proper divisors (286819).

530304977 is a wasteful number, since it uses less digits than its factorization.

530304977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286818.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 530304977 is about 23028.3515910280. The cubic root of 530304977 is about 809.4224287825.

The spelling of 530304977 in words is "five hundred thirty million, three hundred four thousand, nine hundred seventy-seven".