108205619 has 2 divisors, whose sum is σ = 108205620. Its totient is φ = 108205618.

The previous prime is 108205597. The next prime is 108205661. The reversal of 108205619 is 916502801.

It is a weak prime.

It is an emirp because it is prime and its reverse (916502801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108205619 is a prime.

It is a super-2 number, since 2×108205619² = 23416911966346322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (108205219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54102809 + 54102810.

It is an arithmetic number, because the mean of its divisors is an integer number (54102810).

Almost surely, 2^108205619 is an apocalyptic number.

108205619 is a deficient number, since it is larger than the sum of its proper divisors (1).

108205619 is an equidigital number, since it uses as much as digits as its factorization.

108205619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 108205619 is about 10402.1929899421. The cubic root of 108205619 is about 476.5223460476.

The spelling of 108205619 in words is "one hundred eight million, two hundred five thousand, six hundred nineteen".