108583021 has 2 divisors, whose sum is σ = 108583022. Its totient is φ = 108583020.

The previous prime is 108583009. The next prime is 108583031. The reversal of 108583021 is 120385801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107868996 + 714025 = 10386^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 108583021 - 2¹¹ = 108580973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108583031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54291510 + 54291511.

It is an arithmetic number, because the mean of its divisors is an integer number (54291511).

Almost surely, 2^108583021 is an apocalyptic number.

It is an amenable number.

108583021 is a deficient number, since it is larger than the sum of its proper divisors (1).

108583021 is an equidigital number, since it uses as much as digits as its factorization.

108583021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 108583021 is about 10420.3177014907. The cubic root of 108583021 is about 477.0757116627.

The spelling of 108583021 in words is "one hundred eight million, five hundred eighty-three thousand, twenty-one".