530403403 has 2 divisors, whose sum is σ = 530403404. Its totient is φ = 530403402.

The previous prime is 530403361. The next prime is 530403431. The reversal of 530403403 is 304304035.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530403403 is a prime.

It is not a weakly prime, because it can be changed into another prime (530403703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265201701 + 265201702.

It is an arithmetic number, because the mean of its divisors is an integer number (265201702).

Almost surely, 2^530403403 is an apocalyptic number.

530403403 is a deficient number, since it is larger than the sum of its proper divisors (1).

530403403 is an equidigital number, since it uses as much as digits as its factorization.

530403403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 530403403 is about 23030.4885532201. The cubic root of 530403403 is about 809.4725026627.

Adding to 530403403 its reverse (304304035), we get a palindrome (834707438).

The spelling of 530403403 in words is "five hundred thirty million, four hundred three thousand, four hundred three".