41442881 has 2 divisors, whose sum is σ = 41442882. Its totient is φ = 41442880.

The previous prime is 41442833. The next prime is 41442883. The reversal of 41442881 is 18824414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23668225 + 17774656 = 4865^2 + 4216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41442881 is a prime.

It is a super-2 number, since 2×41442881² = 3435024771160322, which contains 22 as substring.

Together with 41442883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41442883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20721440 + 20721441.

It is an arithmetic number, because the mean of its divisors is an integer number (20721441).

Almost surely, 2^41442881 is an apocalyptic number.

It is an amenable number.

41442881 is a deficient number, since it is larger than the sum of its proper divisors (1).

41442881 is an equidigital number, since it uses as much as digits as its factorization.

41442881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8192, while the sum is 32.

The square root of 41442881 is about 6437.6145426703. The cubic root of 41442881 is about 346.0588654343.

The spelling of 41442881 in words is "forty-one million, four hundred forty-two thousand, eight hundred eighty-one".