41287289 has 2 divisors, whose sum is σ = 41287290. Its totient is φ = 41287288.

The previous prime is 41287283. The next prime is 41287303. The reversal of 41287289 is 98278214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25351225 + 15936064 = 5035^2 + 3992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41287289 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (41287283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20643644 + 20643645.

It is an arithmetic number, because the mean of its divisors is an integer number (20643645).

Almost surely, 2^41287289 is an apocalyptic number.

It is an amenable number.

41287289 is a deficient number, since it is larger than the sum of its proper divisors (1).

41287289 is an equidigital number, since it uses as much as digits as its factorization.

41287289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 41.

The square root of 41287289 is about 6425.5185782939. The cubic root of 41287289 is about 345.6252443953.

The spelling of 41287289 in words is "forty-one million, two hundred eighty-seven thousand, two hundred eighty-nine".