41881261 has 2 divisors, whose sum is σ = 41881262. Its totient is φ = 41881260.

The previous prime is 41881253. The next prime is 41881291. The reversal of 41881261 is 16218814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38365636 + 3515625 = 6194^2 + 1875^2 .

It is a cyclic number.

It is not a de Polignac number, because 41881261 - 2³ = 41881253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41881241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20940630 + 20940631.

It is an arithmetic number, because the mean of its divisors is an integer number (20940631).

Almost surely, 2^41881261 is an apocalyptic number.

It is an amenable number.

41881261 is a deficient number, since it is larger than the sum of its proper divisors (1).

41881261 is an equidigital number, since it uses as much as digits as its factorization.

41881261 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 41881261 is about 6471.5733017559. The cubic root of 41881261 is about 347.2747839372.

The spelling of 41881261 in words is "forty-one million, eight hundred eighty-one thousand, two hundred sixty-one".