41391797 has 2 divisors, whose sum is σ = 41391798. Its totient is φ = 41391796.

The previous prime is 41391761. The next prime is 41391799. The reversal of 41391797 is 79719314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37834801 + 3556996 = 6151^2 + 1886^2 .

It is a cyclic number.

It is not a de Polignac number, because 41391797 - 2¹⁶ = 41326261 is a prime.

Together with 41391799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41391799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20695898 + 20695899.

It is an arithmetic number, because the mean of its divisors is an integer number (20695899).

Almost surely, 2^41391797 is an apocalyptic number.

It is an amenable number.

41391797 is a deficient number, since it is larger than the sum of its proper divisors (1).

41391797 is an equidigital number, since it uses as much as digits as its factorization.

41391797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 41.

The square root of 41391797 is about 6433.6457005340. The cubic root of 41391797 is about 345.9166187309.

The spelling of 41391797 in words is "forty-one million, three hundred ninety-one thousand, seven hundred ninety-seven".