41103581 has 2 divisors, whose sum is σ = 41103582. Its totient is φ = 41103580.

The previous prime is 41103541. The next prime is 41103611. The reversal of 41103581 is 18530114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35295481 + 5808100 = 5941^2 + 2410^2 .

It is a cyclic number.

It is not a de Polignac number, because 41103581 - 2²² = 36909277 is a prime.

It is a super-2 number, since 2×41103581² = 3379008742047122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41103541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20551790 + 20551791.

It is an arithmetic number, because the mean of its divisors is an integer number (20551791).

Almost surely, 2^41103581 is an apocalyptic number.

It is an amenable number.

41103581 is a deficient number, since it is larger than the sum of its proper divisors (1).

41103581 is an equidigital number, since it uses as much as digits as its factorization.

41103581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 41103581 is about 6411.2074525786. The cubic root of 41103581 is about 345.1118617870. Note that the first 3 decimals are identical.

Adding to 41103581 its reverse (18530114), we get a palindrome (59633695).

The spelling of 41103581 in words is "forty-one million, one hundred three thousand, five hundred eighty-one".