200817941 has 2 divisors, whose sum is σ = 200817942. Its totient is φ = 200817940.

The previous prime is 200817937. The next prime is 200817943. The reversal of 200817941 is 149718002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179158225 + 21659716 = 13385^2 + 4654^2 .

It is a cyclic number.

It is not a de Polignac number, because 200817941 - 2² = 200817937 is a prime.

Together with 200817943, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 200817898 and 200817907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200817943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100408970 + 100408971.

It is an arithmetic number, because the mean of its divisors is an integer number (100408971).

Almost surely, 2^200817941 is an apocalyptic number.

It is an amenable number.

200817941 is a deficient number, since it is larger than the sum of its proper divisors (1).

200817941 is an equidigital number, since it uses as much as digits as its factorization.

200817941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 200817941 is about 14171.0246983060. The cubic root of 200817941 is about 585.5996879648.

The spelling of 200817941 in words is "two hundred million, eight hundred seventeen thousand, nine hundred forty-one".