530909233 has 2 divisors, whose sum is σ = 530909234. Its totient is φ = 530909232.

The previous prime is 530909219. The next prime is 530909237. The reversal of 530909233 is 332909035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 509314624 + 21594609 = 22568^2 + 4647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530909233 is a prime.

It is a super-2 number, since 2×530909233² = 563729227369296578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (530909237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265454616 + 265454617.

It is an arithmetic number, because the mean of its divisors is an integer number (265454617).

Almost surely, 2^530909233 is an apocalyptic number.

It is an amenable number.

530909233 is a deficient number, since it is larger than the sum of its proper divisors (1).

530909233 is an equidigital number, since it uses as much as digits as its factorization.

530909233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21870, while the sum is 34.

The square root of 530909233 is about 23041.4676832879. The cubic root of 530909233 is about 809.7297442143.

The spelling of 530909233 in words is "five hundred thirty million, nine hundred nine thousand, two hundred thirty-three".