208270133 has 2 divisors, whose sum is σ = 208270134. Its totient is φ = 208270132.

The previous prime is 208270123. The next prime is 208270147. The reversal of 208270133 is 331072802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152349649 + 55920484 = 12343^2 + 7478^2 .

It is a cyclic number.

It is not a de Polignac number, because 208270133 - 2⁸ = 208269877 is a prime.

It is a Chen prime.

It is equal to p_11511278 and since 208270133 and 11511278 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208270123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104135066 + 104135067.

It is an arithmetic number, because the mean of its divisors is an integer number (104135067).

Almost surely, 2^208270133 is an apocalyptic number.

It is an amenable number.

208270133 is a deficient number, since it is larger than the sum of its proper divisors (1).

208270133 is an equidigital number, since it uses as much as digits as its factorization.

208270133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 208270133 is about 14431.5672399085. The cubic root of 208270133 is about 592.7555988609.

The spelling of 208270133 in words is "two hundred eight million, two hundred seventy thousand, one hundred thirty-three".