41405081 has 8 divisors (see below), whose sum is σ = 43973280. Its totient is φ = 38851648.

The previous prime is 41405059. The next prime is 41405107. The reversal of 41405081 is 18050414.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41405081 - 2²² = 37210777 is a prime.

It is a super-2 number, since 2×41405081² = 3428761465233122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41405981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2390 + ... + 9408.

It is an arithmetic number, because the mean of its divisors is an integer number (5496660).

Almost surely, 2^41405081 is an apocalyptic number.

It is an amenable number.

41405081 is a deficient number, since it is larger than the sum of its proper divisors (2568199).

41405081 is a wasteful number, since it uses less digits than its factorization.

41405081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7383.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 41405081 is about 6434.6780028219. The cubic root of 41405081 is about 345.9536201434.

Adding to 41405081 its reverse (18050414), we get a palindrome (59455495).

The spelling of 41405081 in words is "forty-one million, four hundred five thousand, eighty-one".