41864161 has 2 divisors, whose sum is σ = 41864162. Its totient is φ = 41864160.

The previous prime is 41864111. The next prime is 41864171. The reversal of 41864161 is 16146814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41667025 + 197136 = 6455^2 + 444^2 .

It is a cyclic number.

It is not a de Polignac number, because 41864161 - 2¹⁵ = 41831393 is a prime.

It is not a weakly prime, because it can be changed into another prime (41864101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20932080 + 20932081.

It is an arithmetic number, because the mean of its divisors is an integer number (20932081).

Almost surely, 2^41864161 is an apocalyptic number.

It is an amenable number.

41864161 is a deficient number, since it is larger than the sum of its proper divisors (1).

41864161 is an equidigital number, since it uses as much as digits as its factorization.

41864161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 31.

The square root of 41864161 is about 6470.2520043658. The cubic root of 41864161 is about 347.2275137336.

It can be divided in two parts, 41864 and 161, that added together give a square (42025 = 205²).

The spelling of 41864161 in words is "forty-one million, eight hundred sixty-four thousand, one hundred sixty-one".