41842981 has 2 divisors, whose sum is σ = 41842982. Its totient is φ = 41842980.

The previous prime is 41842973. The next prime is 41843017. The reversal of 41842981 is 18924814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35212356 + 6630625 = 5934^2 + 2575^2 .

It is a cyclic number.

It is not a de Polignac number, because 41842981 - 2³ = 41842973 is a prime.

It is a super-2 number, since 2×41842981² = 3501670117932722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 41842981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41842961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20921490 + 20921491.

It is an arithmetic number, because the mean of its divisors is an integer number (20921491).

Almost surely, 2^41842981 is an apocalyptic number.

It is an amenable number.

41842981 is a deficient number, since it is larger than the sum of its proper divisors (1).

41842981 is an equidigital number, since it uses as much as digits as its factorization.

41842981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 37.

The square root of 41842981 is about 6468.6150758876. The cubic root of 41842981 is about 347.1689471766.

The spelling of 41842981 in words is "forty-one million, eight hundred forty-two thousand, nine hundred eighty-one".