530545261 has 2 divisors, whose sum is σ = 530545262. Its totient is φ = 530545260.

The previous prime is 530545247. The next prime is 530545271. The reversal of 530545261 is 162545035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305725225 + 224820036 = 17485^2 + 14994^2 .

It is a cyclic number.

It is not a de Polignac number, because 530545261 - 2⁵ = 530545229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530545201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265272630 + 265272631.

It is an arithmetic number, because the mean of its divisors is an integer number (265272631).

Almost surely, 2^530545261 is an apocalyptic number.

It is an amenable number.

530545261 is a deficient number, since it is larger than the sum of its proper divisors (1).

530545261 is an equidigital number, since it uses as much as digits as its factorization.

530545261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 530545261 is about 23033.5681343556. The cubic root of 530545261 is about 809.5446615226.

The spelling of 530545261 in words is "five hundred thirty million, five hundred forty-five thousand, two hundred sixty-one".