530390057 has 2 divisors, whose sum is σ = 530390058. Its totient is φ = 530390056.

The previous prime is 530390053. The next prime is 530390099. The reversal of 530390057 is 750093035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 482724841 + 47665216 = 21971^2 + 6904^2 .

It is a cyclic number.

It is not a de Polignac number, because 530390057 - 2² = 530390053 is a prime.

It is a super-2 number, since 2×530390057² = 562627225128926498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (530390053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265195028 + 265195029.

It is an arithmetic number, because the mean of its divisors is an integer number (265195029).

Almost surely, 2^530390057 is an apocalyptic number.

It is an amenable number.

530390057 is a deficient number, since it is larger than the sum of its proper divisors (1).

530390057 is an equidigital number, since it uses as much as digits as its factorization.

530390057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14175, while the sum is 32.

The square root of 530390057 is about 23030.1988050473. The cubic root of 530390057 is about 809.4657132953.

The spelling of 530390057 in words is "five hundred thirty million, three hundred ninety thousand, fifty-seven".