5206556371 has 2 divisors, whose sum is σ = 5206556372. Its totient is φ = 5206556370.

The previous prime is 5206556359. The next prime is 5206556387. The reversal of 5206556371 is 1736556025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5206556371 - 2¹¹ = 5206554323 is a prime.

It is not a weakly prime, because it can be changed into another prime (5206556171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2603278185 + 2603278186.

It is an arithmetic number, because the mean of its divisors is an integer number (2603278186).

Almost surely, 2^5206556371 is an apocalyptic number.

5206556371 is a deficient number, since it is larger than the sum of its proper divisors (1).

5206556371 is an equidigital number, since it uses as much as digits as its factorization.

5206556371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 5206556371 is about 72156.4714422761. The cubic root of 5206556371 is about 1733.2060311545.

The spelling of 5206556371 in words is "five billion, two hundred six million, five hundred fifty-six thousand, three hundred seventy-one".