41651081 has 4 divisors (see below), whose sum is σ = 41664000. Its totient is φ = 41638164.

The previous prime is 41651069. The next prime is 41651083. The reversal of 41651081 is 18015614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41651081 is a prime.

It is a super-2 number, since 2×41651081² = 3469625096937122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41651081.

It is not an unprimeable number, because it can be changed into a prime (41651083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2840 + ... + 9558.

It is an arithmetic number, because the mean of its divisors is an integer number (10416000).

Almost surely, 2^41651081 is an apocalyptic number.

It is an amenable number.

41651081 is a deficient number, since it is larger than the sum of its proper divisors (12919).

41651081 is an equidigital number, since it uses as much as digits as its factorization.

41651081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12918.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 41651081 is about 6453.7648702134. The cubic root of 41651081 is about 346.6374057937.

Adding to 41651081 its reverse (18015614), we get a palindrome (59666695).

The spelling of 41651081 in words is "forty-one million, six hundred fifty-one thousand, eighty-one".