208955029 has 2 divisors, whose sum is σ = 208955030. Its totient is φ = 208955028.

The previous prime is 208955011. The next prime is 208955039. The reversal of 208955029 is 920559802.

208955029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193154404 + 15800625 = 13898^2 + 3975^2 .

It is a cyclic number.

It is not a de Polignac number, because 208955029 - 2¹⁵ = 208922261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 208954982 and 208955000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208955009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104477514 + 104477515.

It is an arithmetic number, because the mean of its divisors is an integer number (104477515).

Almost surely, 2^208955029 is an apocalyptic number.

It is an amenable number.

208955029 is a deficient number, since it is larger than the sum of its proper divisors (1).

208955029 is an equidigital number, since it uses as much as digits as its factorization.

208955029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 208955029 is about 14455.2768565669. The cubic root of 208955029 is about 593.4046465295.

The spelling of 208955029 in words is "two hundred eight million, nine hundred fifty-five thousand, twenty-nine".