108089491 has 2 divisors, whose sum is σ = 108089492. Its totient is φ = 108089490.

The previous prime is 108089483. The next prime is 108089497. The reversal of 108089491 is 194980801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108089491 - 2³ = 108089483 is a prime.

It is not a weakly prime, because it can be changed into another prime (108089497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54044745 + 54044746.

It is an arithmetic number, because the mean of its divisors is an integer number (54044746).

Almost surely, 2^108089491 is an apocalyptic number.

108089491 is a deficient number, since it is larger than the sum of its proper divisors (1).

108089491 is an equidigital number, since it uses as much as digits as its factorization.

108089491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 108089491 is about 10396.6095915928. The cubic root of 108089491 is about 476.3518145610.

The spelling of 108089491 in words is "one hundred eight million, eighty-nine thousand, four hundred ninety-one".