5208850091 has 2 divisors, whose sum is σ = 5208850092. Its totient is φ = 5208850090.

The previous prime is 5208850067. The next prime is 5208850111. The reversal of 5208850091 is 1900588025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5208850091 - 2⁶ = 5208850027 is a prime.

It is not a weakly prime, because it can be changed into another prime (5208850001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2604425045 + 2604425046.

It is an arithmetic number, because the mean of its divisors is an integer number (2604425046).

Almost surely, 2^5208850091 is an apocalyptic number.

5208850091 is a deficient number, since it is larger than the sum of its proper divisors (1).

5208850091 is an equidigital number, since it uses as much as digits as its factorization.

5208850091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 5208850091 is about 72172.3637620384. The cubic root of 5208850091 is about 1733.4605119414.

The spelling of 5208850091 in words is "five billion, two hundred eight million, eight hundred fifty thousand, ninety-one".