41364781 has 2 divisors, whose sum is σ = 41364782. Its totient is φ = 41364780.

The previous prime is 41364769. The next prime is 41364811. The reversal of 41364781 is 18746314.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41344900 + 19881 = 6430^2 + 141^2 .

It is a cyclic number.

It is not a de Polignac number, because 41364781 - 2⁵ = 41364749 is a prime.

It is a super-2 number, since 2×41364781² = 3422090214355922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41364721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20682390 + 20682391.

It is an arithmetic number, because the mean of its divisors is an integer number (20682391).

Almost surely, 2^41364781 is an apocalyptic number.

It is an amenable number.

41364781 is a deficient number, since it is larger than the sum of its proper divisors (1).

41364781 is an equidigital number, since it uses as much as digits as its factorization.

41364781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The square root of 41364781 is about 6431.5457706527. The cubic root of 41364781 is about 345.8413436121.

The spelling of 41364781 in words is "forty-one million, three hundred sixty-four thousand, seven hundred eighty-one".