527661347513 has 2 divisors, whose sum is σ = 527661347514. Its totient is φ = 527661347512.

The previous prime is 527661347497. The next prime is 527661347527. The reversal of 527661347513 is 315743166725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 452117725609 + 75543621904 = 672397^2 + 274852^2 .

It is a cyclic number.

It is not a de Polignac number, because 527661347513 - 2⁴ = 527661347497 is a prime.

It is not a weakly prime, because it can be changed into another prime (527661347713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263830673756 + 263830673757.

It is an arithmetic number, because the mean of its divisors is an integer number (263830673757).

Almost surely, 2^527661347513 is an apocalyptic number.

It is an amenable number.

527661347513 is a deficient number, since it is larger than the sum of its proper divisors (1).

527661347513 is an equidigital number, since it uses as much as digits as its factorization.

527661347513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3175200, while the sum is 50.

The spelling of 527661347513 in words is "five hundred twenty-seven billion, six hundred sixty-one million, three hundred forty-seven thousand, five hundred thirteen".