41561837 has 2 divisors, whose sum is σ = 41561838. Its totient is φ = 41561836.

The previous prime is 41561813. The next prime is 41561857. The reversal of 41561837 is 73816514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40589641 + 972196 = 6371^2 + 986^2 .

It is a cyclic number.

It is not a de Polignac number, because 41561837 - 2⁸ = 41561581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41561797 and 41561806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41561857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20780918 + 20780919.

It is an arithmetic number, because the mean of its divisors is an integer number (20780919).

Almost surely, 2^41561837 is an apocalyptic number.

It is an amenable number.

41561837 is a deficient number, since it is larger than the sum of its proper divisors (1).

41561837 is an equidigital number, since it uses as much as digits as its factorization.

41561837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 41561837 is about 6446.8470588343. The cubic root of 41561837 is about 346.3896536840.

The spelling of 41561837 in words is "forty-one million, five hundred sixty-one thousand, eight hundred thirty-seven".