208493641 has 2 divisors, whose sum is σ = 208493642. Its totient is φ = 208493640.

The previous prime is 208493629. The next prime is 208493653. The reversal of 208493641 is 146394802.

208493641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (208493629) and next prime (208493653).

It can be written as a sum of positive squares in only one way, i.e., 179560000 + 28933641 = 13400^2 + 5379^2 .

It is a cyclic number.

It is not a de Polignac number, because 208493641 - 2⁵ = 208493609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 208493641.

It is not a weakly prime, because it can be changed into another prime (208493611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104246820 + 104246821.

It is an arithmetic number, because the mean of its divisors is an integer number (104246821).

Almost surely, 2^208493641 is an apocalyptic number.

It is an amenable number.

208493641 is a deficient number, since it is larger than the sum of its proper divisors (1).

208493641 is an equidigital number, since it uses as much as digits as its factorization.

208493641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 208493641 is about 14439.3088823531. The cubic root of 208493641 is about 592.9675643690.

The spelling of 208493641 in words is "two hundred eight million, four hundred ninety-three thousand, six hundred forty-one".