41928181 has 2 divisors, whose sum is σ = 41928182. Its totient is φ = 41928180.

The previous prime is 41928163. The next prime is 41928191. The reversal of 41928181 is 18182914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41809156 + 119025 = 6466^2 + 345^2 .

It is a cyclic number.

It is not a de Polignac number, because 41928181 - 2¹³ = 41919989 is a prime.

It is a super-2 number, since 2×41928181² = 3515944723937522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41928121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20964090 + 20964091.

It is an arithmetic number, because the mean of its divisors is an integer number (20964091).

Almost surely, 2^41928181 is an apocalyptic number.

It is an amenable number.

41928181 is a deficient number, since it is larger than the sum of its proper divisors (1).

41928181 is an equidigital number, since it uses as much as digits as its factorization.

41928181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 34.

The square root of 41928181 is about 6475.1973715092. The cubic root of 41928181 is about 347.4044206883.

The spelling of 41928181 in words is "forty-one million, nine hundred twenty-eight thousand, one hundred eighty-one".