208057 has 2 divisors, whose sum is σ = 208058. Its totient is φ = 208056.

The previous prime is 208049. The next prime is 208067. The reversal of 208057 is 750802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207936 + 121 = 456^2 + 11^2 .

It is a cyclic number.

It is not a de Polignac number, because 208057 - 2³ = 208049 is a prime.

208057 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (208037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104028 + 104029.

It is an arithmetic number, because the mean of its divisors is an integer number (104029).

2²⁰⁸⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

208057 is a deficient number, since it is larger than the sum of its proper divisors (1).

208057 is an equidigital number, since it uses as much as digits as its factorization.

208057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 208057 is about 456.1326561429. The cubic root of 208057 is about 59.2553331263.

Adding to 208057 its reverse (750802), we get a palindrome (958859).

The spelling of 208057 in words is "two hundred eight thousand, fifty-seven".