5206566427 has 2 divisors, whose sum is σ = 5206566428. Its totient is φ = 5206566426.

The previous prime is 5206566403. The next prime is 5206566437. The reversal of 5206566427 is 7246656025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5206566427 - 2¹¹ = 5206564379 is a prime.

It is not a weakly prime, because it can be changed into another prime (5206566437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2603283213 + 2603283214.

It is an arithmetic number, because the mean of its divisors is an integer number (2603283214).

Almost surely, 2^5206566427 is an apocalyptic number.

5206566427 is a deficient number, since it is larger than the sum of its proper divisors (1).

5206566427 is an equidigital number, since it uses as much as digits as its factorization.

5206566427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 43.

The square root of 5206566427 is about 72156.5411241420. The cubic root of 5206566427 is about 1733.2071469981.

The spelling of 5206566427 in words is "five billion, two hundred six million, five hundred sixty-six thousand, four hundred twenty-seven".