530389081 has 2 divisors, whose sum is σ = 530389082. Its totient is φ = 530389080.

The previous prime is 530389063. The next prime is 530389157. The reversal of 530389081 is 180983035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 454542400 + 75846681 = 21320^2 + 8709^2 .

It is a cyclic number.

It is not a de Polignac number, because 530389081 - 2⁷ = 530388953 is a prime.

It is a super-2 number, since 2×530389081² = 562625154488049122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 530389081.

It is not a weakly prime, because it can be changed into another prime (530389021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265194540 + 265194541.

It is an arithmetic number, because the mean of its divisors is an integer number (265194541).

Almost surely, 2^530389081 is an apocalyptic number.

It is an amenable number.

530389081 is a deficient number, since it is larger than the sum of its proper divisors (1).

530389081 is an equidigital number, since it uses as much as digits as its factorization.

530389081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 530389081 is about 23030.1776154679. The cubic root of 530389081 is about 809.4652167808.

The spelling of 530389081 in words is "five hundred thirty million, three hundred eighty-nine thousand, eighty-one".