41457641 has 2 divisors, whose sum is σ = 41457642. Its totient is φ = 41457640.

The previous prime is 41457623. The next prime is 41457643. The reversal of 41457641 is 14675414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39438400 + 2019241 = 6280^2 + 1421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41457641 is a prime.

Together with 41457643, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 41457598 and 41457607.

It is not a weakly prime, because it can be changed into another prime (41457643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20728820 + 20728821.

It is an arithmetic number, because the mean of its divisors is an integer number (20728821).

Almost surely, 2^41457641 is an apocalyptic number.

It is an amenable number.

41457641 is a deficient number, since it is larger than the sum of its proper divisors (1).

41457641 is an equidigital number, since it uses as much as digits as its factorization.

41457641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The square root of 41457641 is about 6438.7608279855. The cubic root of 41457641 is about 346.0999438411.

The spelling of 41457641 in words is "forty-one million, four hundred fifty-seven thousand, six hundred forty-one".