530213657 has 2 divisors, whose sum is σ = 530213658. Its totient is φ = 530213656.

The previous prime is 530213633. The next prime is 530213659. The reversal of 530213657 is 756312035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513656896 + 16556761 = 22664^2 + 4069^2 .

It is a cyclic number.

It is not a de Polignac number, because 530213657 - 2¹⁰ = 530212633 is a prime.

It is a super-2 number, since 2×530213657² = 562253044138627298, which contains 22 as substring.

Together with 530213659, 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 (530213659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265106828 + 265106829.

It is an arithmetic number, because the mean of its divisors is an integer number (265106829).

Almost surely, 2^530213657 is an apocalyptic number.

It is an amenable number.

530213657 is a deficient number, since it is larger than the sum of its proper divisors (1).

530213657 is an equidigital number, since it uses as much as digits as its factorization.

530213657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 530213657 is about 23026.3687323903. The cubic root of 530213657 is about 809.3759645134.

The spelling of 530213657 in words is "five hundred thirty million, two hundred thirteen thousand, six hundred fifty-seven".