530431553 has 2 divisors, whose sum is σ = 530431554. Its totient is φ = 530431552.

The previous prime is 530431529. The next prime is 530431571. The reversal of 530431553 is 355134035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 451435009 + 78996544 = 21247^2 + 8888^2 .

It is a cyclic number.

It is not a de Polignac number, because 530431553 - 2¹⁰ = 530430529 is a prime.

It is not a weakly prime, because it can be changed into another prime (530431513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265215776 + 265215777.

It is an arithmetic number, because the mean of its divisors is an integer number (265215777).

Almost surely, 2^530431553 is an apocalyptic number.

It is an amenable number.

530431553 is a deficient number, since it is larger than the sum of its proper divisors (1).

530431553 is an equidigital number, since it uses as much as digits as its factorization.

530431553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 530431553 is about 23031.0996915041. The cubic root of 530431553 is about 809.4868227366.

Adding to 530431553 its reverse (355134035), we get a palindrome (885565588).

The spelling of 530431553 in words is "five hundred thirty million, four hundred thirty-one thousand, five hundred fifty-three".