41681261 has 2 divisors, whose sum is σ = 41681262. Its totient is φ = 41681260.

The previous prime is 41681209. The next prime is 41681309. The reversal of 41681261 is 16218614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34445161 + 7236100 = 5869^2 + 2690^2 .

It is a cyclic number.

It is not a de Polignac number, because 41681261 - 2¹⁴ = 41664877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41684261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20840630 + 20840631.

It is an arithmetic number, because the mean of its divisors is an integer number (20840631).

Almost surely, 2^41681261 is an apocalyptic number.

It is an amenable number.

41681261 is a deficient number, since it is larger than the sum of its proper divisors (1).

41681261 is an equidigital number, since it uses as much as digits as its factorization.

41681261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 29.

The square root of 41681261 is about 6456.1026169044. The cubic root of 41681261 is about 346.7211090326.

Adding to 41681261 its reverse (16218614), we get a palindrome (57899875).

The spelling of 41681261 in words is "forty-one million, six hundred eighty-one thousand, two hundred sixty-one".