208120853 has 2 divisors, whose sum is σ = 208120854. Its totient is φ = 208120852.

The previous prime is 208120823. The next prime is 208120897. The reversal of 208120853 is 358021802.

208120853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170641969 + 37478884 = 13063^2 + 6122^2 .

It is a cyclic number.

It is not a de Polignac number, because 208120853 - 2¹⁰ = 208119829 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208120823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104060426 + 104060427.

It is an arithmetic number, because the mean of its divisors is an integer number (104060427).

Almost surely, 2^208120853 is an apocalyptic number.

It is an amenable number.

208120853 is a deficient number, since it is larger than the sum of its proper divisors (1).

208120853 is an equidigital number, since it uses as much as digits as its factorization.

208120853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 208120853 is about 14426.3943173615. The cubic root of 208120853 is about 592.6139435594.

The spelling of 208120853 in words is "two hundred eight million, one hundred twenty thousand, eight hundred fifty-three".