530542549 has 2 divisors, whose sum is σ = 530542550. Its totient is φ = 530542548.

The previous prime is 530542517. The next prime is 530542553. The reversal of 530542549 is 945245035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 373842225 + 156700324 = 19335^2 + 12518^2 .

It is a cyclic number.

It is not a de Polignac number, because 530542549 - 2⁵ = 530542517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530542589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265271274 + 265271275.

It is an arithmetic number, because the mean of its divisors is an integer number (265271275).

Almost surely, 2^530542549 is an apocalyptic number.

It is an amenable number.

530542549 is a deficient number, since it is larger than the sum of its proper divisors (1).

530542549 is an equidigital number, since it uses as much as digits as its factorization.

530542549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 530542549 is about 23033.5092636793. The cubic root of 530542549 is about 809.5432821311.

The spelling of 530542549 in words is "five hundred thirty million, five hundred forty-two thousand, five hundred forty-nine".