530403305 has 16 divisors (see below), whose sum is σ = 644249424. Its totient is φ = 419178240.

The previous prime is 530403271. The next prime is 530403311. The reversal of 530403305 is 503304035.

It can be written as a sum of positive squares in 8 ways, for example, as 118962649 + 411440656 = 10907^2 + 20284^2 .

It is not a de Polignac number, because 530403305 - 2²⁶ = 463294441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140219 + ... + 143951.

It is an arithmetic number, because the mean of its divisors is an integer number (40265589).

Almost surely, 2^530403305 is an apocalyptic number.

It is an amenable number.

530403305 is a deficient number, since it is larger than the sum of its proper divisors (113846119).

530403305 is a wasteful number, since it uses less digits than its factorization.

530403305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 530403305 is about 23030.4864256055. The cubic root of 530403305 is about 809.4724528086.

The spelling of 530403305 in words is "five hundred thirty million, four hundred three thousand, three hundred five".