530304553 has 4 divisors (see below), whose sum is σ = 532969600. Its totient is φ = 527639508.

The previous prime is 530304493. The next prime is 530304563. The reversal of 530304553 is 355403035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530304553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530304563) 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, 1332225 + ... + 1332622.

It is an arithmetic number, because the mean of its divisors is an integer number (133242400).

Almost surely, 2^530304553 is an apocalyptic number.

It is an amenable number.

530304553 is a deficient number, since it is larger than the sum of its proper divisors (2665047).

530304553 is a wasteful number, since it uses less digits than its factorization.

530304553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665046.

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 530304553 is about 23028.3423849829. The cubic root of 530304553 is about 809.4222130606.

Adding to 530304553 its reverse (355403035), we get a palindrome (885707588).

The spelling of 530304553 in words is "five hundred thirty million, three hundred four thousand, five hundred fifty-three".