530897831 has 2 divisors, whose sum is σ = 530897832. Its totient is φ = 530897830.

The previous prime is 530897821. The next prime is 530897869. The reversal of 530897831 is 138798035.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 530897831 - 2¹⁴ = 530881447 is a prime.

It is a super-2 number, since 2×530897831² = 563705013921009122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530897821) 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 as a sum of consecutive naturals, namely, 265448915 + 265448916.

It is an arithmetic number, because the mean of its divisors is an integer number (265448916).

Almost surely, 2^530897831 is an apocalyptic number.

530897831 is a deficient number, since it is larger than the sum of its proper divisors (1).

530897831 is an equidigital number, since it uses as much as digits as its factorization.

530897831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 530897831 is about 23041.2202584846. The cubic root of 530897831 is about 809.7239474892.

The spelling of 530897831 in words is "five hundred thirty million, eight hundred ninety-seven thousand, eight hundred thirty-one".