530811971 has 2 divisors, whose sum is σ = 530811972. Its totient is φ = 530811970.

The previous prime is 530811929. The next prime is 530811991. The reversal of 530811971 is 179118035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 530811971 - 2¹⁰ = 530810947 is a prime.

It is a super-2 number, since 2×530811971² = 563522697113809682, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (530811991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265405985 + 265405986.

It is an arithmetic number, because the mean of its divisors is an integer number (265405986).

Almost surely, 2^530811971 is an apocalyptic number.

530811971 is a deficient number, since it is larger than the sum of its proper divisors (1).

530811971 is an equidigital number, since it uses as much as digits as its factorization.

530811971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 35.

The square root of 530811971 is about 23039.3570005762. The cubic root of 530811971 is about 809.6802939886.

The spelling of 530811971 in words is "five hundred thirty million, eight hundred eleven thousand, nine hundred seventy-one".