530442557 has 2 divisors, whose sum is σ = 530442558. Its totient is φ = 530442556.

The previous prime is 530442541. The next prime is 530442559. The reversal of 530442557 is 755244035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273770116 + 256672441 = 16546^2 + 16021^2 .

It is a cyclic number.

It is not a de Polignac number, because 530442557 - 2⁴ = 530442541 is a prime.

Together with 530442559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530442559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265221278 + 265221279.

It is an arithmetic number, because the mean of its divisors is an integer number (265221279).

Almost surely, 2^530442557 is an apocalyptic number.

It is an amenable number.

530442557 is a deficient number, since it is larger than the sum of its proper divisors (1).

530442557 is an equidigital number, since it uses as much as digits as its factorization.

530442557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 35.

The square root of 530442557 is about 23031.3385846329. The cubic root of 530442557 is about 809.4924203997.

The spelling of 530442557 in words is "five hundred thirty million, four hundred forty-two thousand, five hundred fifty-seven".