530531 has 2 divisors, whose sum is σ = 530532. Its totient is φ = 530530.

The previous prime is 530527. The next prime is 530533. The reversal of 530531 is 135035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 530531 - 2² = 530527 is a prime.

It is a super-2 number, since 2×530531² = 562926283922, which contains 22 as substring.

Together with 530533, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (530533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265265 + 265266.

It is an arithmetic number, because the mean of its divisors is an integer number (265266).

2⁵³⁰⁵³¹ is an apocalyptic number.

530531 is a deficient number, since it is larger than the sum of its proper divisors (1).

530531 is an equidigital number, since it uses as much as digits as its factorization.

530531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 530531 is about 728.3755899260. The cubic root of 530531 is about 80.9537407966.

Adding to 530531 its reverse (135035), we get a palindrome (665566).

The spelling of 530531 in words is "five hundred thirty thousand, five hundred thirty-one".