530279257 has 8 divisors (see below), whose sum is σ = 541039176. Its totient is φ = 519547392.

The previous prime is 530279251. The next prime is 530279263. The reversal of 530279257 is 752972035.

It is an interprime number because it is at equal distance from previous prime (530279251) and next prime (530279263).

It can be written as a sum of positive squares in 4 ways, for example, as 130439241 + 399840016 = 11421^2 + 19996^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 530279257 - 2⁷ = 530279129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530279251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33513 + ... + 46729.

It is an arithmetic number, because the mean of its divisors is an integer number (67629897).

Almost surely, 2^530279257 is an apocalyptic number.

It is an amenable number.

530279257 is a deficient number, since it is larger than the sum of its proper divisors (10759919).

530279257 is a wasteful number, since it uses less digits than its factorization.

530279257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14027.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 530279257 is about 23027.7931422010. The cubic root of 530279257 is about 809.4093428022.

The spelling of 530279257 in words is "five hundred thirty million, two hundred seventy-nine thousand, two hundred fifty-seven".