527966261 has 2 divisors, whose sum is σ = 527966262. Its totient is φ = 527966260.

The previous prime is 527966251. The next prime is 527966267. The reversal of 527966261 is 162669725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 453903025 + 74063236 = 21305^2 + 8606^2 .

It is a cyclic number.

It is not a de Polignac number, because 527966261 - 2¹⁸ = 527704117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (527966267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263983130 + 263983131.

It is an arithmetic number, because the mean of its divisors is an integer number (263983131).

Almost surely, 2^527966261 is an apocalyptic number.

It is an amenable number.

527966261 is a deficient number, since it is larger than the sum of its proper divisors (1).

527966261 is an equidigital number, since it uses as much as digits as its factorization.

527966261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 44.

The square root of 527966261 is about 22977.5164236695. The cubic root of 527966261 is about 808.2307881773.

The spelling of 527966261 in words is "five hundred twenty-seven million, nine hundred sixty-six thousand, two hundred sixty-one".