201844241 has 2 divisors, whose sum is σ = 201844242. Its totient is φ = 201844240.

The previous prime is 201844229. The next prime is 201844283. The reversal of 201844241 is 142448102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131217025 + 70627216 = 11455^2 + 8404^2 .

It is a cyclic number.

It is not a de Polignac number, because 201844241 - 2⁶ = 201844177 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201844241.

It is not a weakly prime, because it can be changed into another prime (201814241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100922120 + 100922121.

It is an arithmetic number, because the mean of its divisors is an integer number (100922121).

Almost surely, 2^201844241 is an apocalyptic number.

It is an amenable number.

201844241 is a deficient number, since it is larger than the sum of its proper divisors (1).

201844241 is an equidigital number, since it uses as much as digits as its factorization.

201844241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 201844241 is about 14207.1897643412. The cubic root of 201844241 is about 586.5955817726.

The spelling of 201844241 in words is "two hundred one million, eight hundred forty-four thousand, two hundred forty-one".