530525257 has 2 divisors, whose sum is σ = 530525258. Its totient is φ = 530525256.

The previous prime is 530525249. The next prime is 530525263. The reversal of 530525257 is 752525035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 399560121 + 130965136 = 19989^2 + 11444^2 .

It is a cyclic number.

It is not a de Polignac number, because 530525257 - 2³ = 530525249 is a prime.

It is not a weakly prime, because it can be changed into another prime (530525267) 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, 265262628 + 265262629.

It is an arithmetic number, because the mean of its divisors is an integer number (265262629).

Almost surely, 2^530525257 is an apocalyptic number.

It is an amenable number.

530525257 is a deficient number, since it is larger than the sum of its proper divisors (1).

530525257 is an equidigital number, since it uses as much as digits as its factorization.

530525257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 530525257 is about 23033.1338944573. The cubic root of 530525257 is about 809.5344868739.

The spelling of 530525257 in words is "five hundred thirty million, five hundred twenty-five thousand, two hundred fifty-seven".