41681407 has 2 divisors, whose sum is σ = 41681408. Its totient is φ = 41681406.

The previous prime is 41681389. The next prime is 41681411. The reversal of 41681407 is 70418614.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41681407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41681447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20840703 + 20840704.

It is an arithmetic number, because the mean of its divisors is an integer number (20840704).

Almost surely, 2^41681407 is an apocalyptic number.

41681407 is a deficient number, since it is larger than the sum of its proper divisors (1).

41681407 is an equidigital number, since it uses as much as digits as its factorization.

41681407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 41681407 is about 6456.1139240258. The cubic root of 41681407 is about 346.7215138606.

The spelling of 41681407 in words is "forty-one million, six hundred eighty-one thousand, four hundred seven".