60000091 has 2 divisors, whose sum is σ = 60000092. Its totient is φ = 60000090.

The previous prime is 60000071. The next prime is 60000103. The reversal of 60000091 is 19000006.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60000091 - 2¹⁹ = 59475803 is a prime.

60000091 is a modest number, since divided by 91 gives 60 as remainder.

It is not a weakly prime, because it can be changed into another prime (60000011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30000045 + 30000046.

It is an arithmetic number, because the mean of its divisors is an integer number (30000046).

Almost surely, 2^60000091 is an apocalyptic number.

60000091 is a deficient number, since it is larger than the sum of its proper divisors (1).

60000091 is an equidigital number, since it uses as much as digits as its factorization.

60000091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 60000091 is about 7745.9725664373. The cubic root of 60000091 is about 391.4869620351.

Adding to 60000091 its reverse (19000006), we get a palindrome (79000097).

The spelling of 60000091 in words is "sixty million, ninety-one", and thus it is an aban number and an uban number.