200865481 has 2 divisors, whose sum is σ = 200865482. Its totient is φ = 200865480.

The previous prime is 200865443. The next prime is 200865491. The reversal of 200865481 is 184568002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144480400 + 56385081 = 12020^2 + 7509^2 .

It is a cyclic number.

It is not a de Polignac number, because 200865481 - 2¹³ = 200857289 is a prime.

It is a super-2 number, since 2×200865481² = 80693882914722722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200865491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100432740 + 100432741.

It is an arithmetic number, because the mean of its divisors is an integer number (100432741).

Almost surely, 2^200865481 is an apocalyptic number.

It is an amenable number.

200865481 is a deficient number, since it is larger than the sum of its proper divisors (1).

200865481 is an equidigital number, since it uses as much as digits as its factorization.

200865481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 200865481 is about 14172.7019653981. The cubic root of 200865481 is about 585.6458943488.

The spelling of 200865481 in words is "two hundred million, eight hundred sixty-five thousand, four hundred eighty-one".