108645853 has 2 divisors, whose sum is σ = 108645854. Its totient is φ = 108645852.

The previous prime is 108645851. The next prime is 108645863. The reversal of 108645853 is 358546801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81324324 + 27321529 = 9018^2 + 5227^2 .

It is a cyclic number.

It is not a de Polignac number, because 108645853 - 2¹ = 108645851 is a prime.

Together with 108645851, it forms a pair of twin primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108645851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54322926 + 54322927.

It is an arithmetic number, because the mean of its divisors is an integer number (54322927).

Almost surely, 2^108645853 is an apocalyptic number.

It is an amenable number.

108645853 is a deficient number, since it is larger than the sum of its proper divisors (1).

108645853 is an equidigital number, since it uses as much as digits as its factorization.

108645853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 108645853 is about 10423.3321447606. The cubic root of 108645853 is about 477.1677145095.

The spelling of 108645853 in words is "one hundred eight million, six hundred forty-five thousand, eight hundred fifty-three".