200602081 has 2 divisors, whose sum is σ = 200602082. Its totient is φ = 200602080.

The previous prime is 200602069. The next prime is 200602139. The reversal of 200602081 is 180206002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131446225 + 69155856 = 11465^2 + 8316^2 .

It is a cyclic number.

It is not a de Polignac number, because 200602081 - 2¹¹ = 200600033 is a prime.

It is a super-2 number, since 2×200602081² = 80482389803061122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200602001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100301040 + 100301041.

It is an arithmetic number, because the mean of its divisors is an integer number (100301041).

Almost surely, 2^200602081 is an apocalyptic number.

It is an amenable number.

200602081 is a deficient number, since it is larger than the sum of its proper divisors (1).

200602081 is an equidigital number, since it uses as much as digits as its factorization.

200602081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 200602081 is about 14163.4064052402. The cubic root of 200602081 is about 585.3897915996.

Adding to 200602081 its reverse (180206002), we get a palindrome (380808083).

The spelling of 200602081 in words is "two hundred million, six hundred two thousand, eighty-one".