41291381 has 2 divisors, whose sum is σ = 41291382. Its totient is φ = 41291380.

The previous prime is 41291377. The next prime is 41291401. The reversal of 41291381 is 18319214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36300625 + 4990756 = 6025^2 + 2234^2 .

It is a cyclic number.

It is not a de Polignac number, because 41291381 - 2² = 41291377 is a prime.

It is a super-2 number, since 2×41291381² = 3409956289774322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41291311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20645690 + 20645691.

It is an arithmetic number, because the mean of its divisors is an integer number (20645691).

Almost surely, 2^41291381 is an apocalyptic number.

It is an amenable number.

41291381 is a deficient number, since it is larger than the sum of its proper divisors (1).

41291381 is an equidigital number, since it uses as much as digits as its factorization.

41291381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 29.

The square root of 41291381 is about 6425.8369882841. The cubic root of 41291381 is about 345.6366623709.

The spelling of 41291381 in words is "forty-one million, two hundred ninety-one thousand, three hundred eighty-one".