200500061 has 2 divisors, whose sum is σ = 200500062. Its totient is φ = 200500060.

The previous prime is 200500043. The next prime is 200500063. The reversal of 200500061 is 160005002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155475961 + 45024100 = 12469^2 + 6710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200500061 is a prime.

It is a super-2 number, since 2×200500061² = 80400548922007442, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 200500063, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200500063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100250030 + 100250031.

It is an arithmetic number, because the mean of its divisors is an integer number (100250031).

Almost surely, 2^200500061 is an apocalyptic number.

It is an amenable number.

200500061 is a deficient number, since it is larger than the sum of its proper divisors (1).

200500061 is an equidigital number, since it uses as much as digits as its factorization.

200500061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 200500061 is about 14159.8044124910. The cubic root of 200500061 is about 585.2905377379.

Adding to 200500061 its reverse (160005002), we get a palindrome (360505063).

The spelling of 200500061 in words is "two hundred million, five hundred thousand, sixty-one".