530185081 has 2 divisors, whose sum is σ = 530185082. Its totient is φ = 530185080.

The previous prime is 530185049. The next prime is 530185091. The reversal of 530185081 is 180581035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358155625 + 172029456 = 18925^2 + 13116^2 .

It is a cyclic number.

It is not a de Polignac number, because 530185081 - 2⁵ = 530185049 is a prime.

It is a super-2 number, since 2×530185081² = 562192440229953122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (530185021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265092540 + 265092541.

It is an arithmetic number, because the mean of its divisors is an integer number (265092541).

Almost surely, 2^530185081 is an apocalyptic number.

It is an amenable number.

530185081 is a deficient number, since it is larger than the sum of its proper divisors (1).

530185081 is an equidigital number, since it uses as much as digits as its factorization.

530185081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 530185081 is about 23025.7482180276. The cubic root of 530185081 is about 809.3614237443.

The spelling of 530185081 in words is "five hundred thirty million, one hundred eighty-five thousand, eighty-one".