108081613 has 2 divisors, whose sum is σ = 108081614. Its totient is φ = 108081612.

The previous prime is 108081581. The next prime is 108081619. The reversal of 108081613 is 316180801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107889769 + 191844 = 10387^2 + 438^2 .

It is an emirp because it is prime and its reverse (316180801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108081613 - 2⁵ = 108081581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108081619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54040806 + 54040807.

It is an arithmetic number, because the mean of its divisors is an integer number (54040807).

Almost surely, 2^108081613 is an apocalyptic number.

It is an amenable number.

108081613 is a deficient number, since it is larger than the sum of its proper divisors (1).

108081613 is an equidigital number, since it uses as much as digits as its factorization.

108081613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 108081613 is about 10396.2307111760. The cubic root of 108081613 is about 476.3402414631.

It can be divided in two parts, 10808 and 1613, that added together give a palindrome (12421).

The spelling of 108081613 in words is "one hundred eight million, eighty-one thousand, six hundred thirteen".