290200289 has 2 divisors, whose sum is σ = 290200290. Its totient is φ = 290200288.

The previous prime is 290200283. The next prime is 290200333. The reversal of 290200289 is 982002092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199798225 + 90402064 = 14135^2 + 9508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-290200289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (290200283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145100144 + 145100145.

It is an arithmetic number, because the mean of its divisors is an integer number (145100145).

Almost surely, 2^290200289 is an apocalyptic number.

It is an amenable number.

290200289 is a deficient number, since it is larger than the sum of its proper divisors (1).

290200289 is an equidigital number, since it uses as much as digits as its factorization.

290200289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 290200289 is about 17035.2660384275. The cubic root of 290200289 is about 662.0629429660.

The spelling of 290200289 in words is "two hundred ninety million, two hundred thousand, two hundred eighty-nine".