200845081 has 2 divisors, whose sum is σ = 200845082. Its totient is φ = 200845080.

The previous prime is 200845033. The next prime is 200845087. The reversal of 200845081 is 180548002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172659600 + 28185481 = 13140^2 + 5309^2 .

It is a cyclic number.

It is not a de Polignac number, because 200845081 - 2⁹ = 200844569 is a prime.

It is a super-2 number, since 2×200845081² = 80677493123793122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (200845087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100422540 + 100422541.

It is an arithmetic number, because the mean of its divisors is an integer number (100422541).

Almost surely, 2^200845081 is an apocalyptic number.

It is an amenable number.

200845081 is a deficient number, since it is larger than the sum of its proper divisors (1).

200845081 is an equidigital number, since it uses as much as digits as its factorization.

200845081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 200845081 is about 14171.9822537287. The cubic root of 200845081 is about 585.6260675130.

It can be divided in two parts, 2008 and 45081, that added together give a square (47089 = 217²).

The spelling of 200845081 in words is "two hundred million, eight hundred forty-five thousand, eighty-one".