41281861 has 2 divisors, whose sum is σ = 41281862. Its totient is φ = 41281860.

The previous prime is 41281853. The next prime is 41281873. The reversal of 41281861 is 16818214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41036836 + 245025 = 6406^2 + 495^2 .

It is a cyclic number.

It is not a de Polignac number, because 41281861 - 2³ = 41281853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41281561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20640930 + 20640931.

It is an arithmetic number, because the mean of its divisors is an integer number (20640931).

Almost surely, 2^41281861 is an apocalyptic number.

It is an amenable number.

41281861 is a deficient number, since it is larger than the sum of its proper divisors (1).

41281861 is an equidigital number, since it uses as much as digits as its factorization.

41281861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 31.

The square root of 41281861 is about 6425.0961860504. The cubic root of 41281861 is about 345.6100973925.

The spelling of 41281861 in words is "forty-one million, two hundred eighty-one thousand, eight hundred sixty-one".