530661277 has 2 divisors, whose sum is σ = 530661278. Its totient is φ = 530661276.

The previous prime is 530661269. The next prime is 530661301. The reversal of 530661277 is 772166035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490135321 + 40525956 = 22139^2 + 6366^2 .

It is a cyclic number.

It is not a de Polignac number, because 530661277 - 2³ = 530661269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530661217) 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, 265330638 + 265330639.

It is an arithmetic number, because the mean of its divisors is an integer number (265330639).

Almost surely, 2^530661277 is an apocalyptic number.

It is an amenable number.

530661277 is a deficient number, since it is larger than the sum of its proper divisors (1).

530661277 is an equidigital number, since it uses as much as digits as its factorization.

530661277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 530661277 is about 23036.0864080685. The cubic root of 530661277 is about 809.6036657806.

The spelling of 530661277 in words is "five hundred thirty million, six hundred sixty-one thousand, two hundred seventy-seven".