208001357 has 2 divisors, whose sum is σ = 208001358. Its totient is φ = 208001356.

The previous prime is 208001329. The next prime is 208001371. The reversal of 208001357 is 753100802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189502756 + 18498601 = 13766^2 + 4301^2 .

It is a cyclic number.

It is not a de Polignac number, because 208001357 - 2²⁴ = 191224141 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 (208001317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104000678 + 104000679.

It is an arithmetic number, because the mean of its divisors is an integer number (104000679).

Almost surely, 2^208001357 is an apocalyptic number.

It is an amenable number.

208001357 is a deficient number, since it is larger than the sum of its proper divisors (1).

208001357 is an equidigital number, since it uses as much as digits as its factorization.

208001357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 208001357 is about 14422.2521472896. The cubic root of 208001357 is about 592.5005021746.

The spelling of 208001357 in words is "two hundred eight million, one thousand, three hundred fifty-seven".