200100997 has 2 divisors, whose sum is σ = 200100998. Its totient is φ = 200100996.

The previous prime is 200100961. The next prime is 200101003. The reversal of 200100997 is 799001002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123520996 + 76580001 = 11114^2 + 8751^2 .

It is a cyclic number.

It is not a de Polignac number, because 200100997 - 2¹⁵ = 200068229 is a prime.

It is equal to p_11084275 and since 200100997 and 11084275 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 (200100907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100050498 + 100050499.

It is an arithmetic number, because the mean of its divisors is an integer number (100050499).

Almost surely, 2^200100997 is an apocalyptic number.

It is an amenable number.

200100997 is a deficient number, since it is larger than the sum of its proper divisors (1).

200100997 is an equidigital number, since it uses as much as digits as its factorization.

200100997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 200100997 is about 14145.7059562257. The cubic root of 200100997 is about 584.9019700836.

Adding to 200100997 its reverse (799001002), we get a palindrome (999101999).

The spelling of 200100997 in words is "two hundred million, one hundred thousand, nine hundred ninety-seven".