40917271 has 2 divisors, whose sum is σ = 40917272. Its totient is φ = 40917270.

The previous prime is 40917269. The next prime is 40917281. The reversal of 40917271 is 17271904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40917271 - 2¹ = 40917269 is a prime.

Together with 40917269, 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 (40917211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20458635 + 20458636.

It is an arithmetic number, because the mean of its divisors is an integer number (20458636).

Almost surely, 2^40917271 is an apocalyptic number.

40917271 is a deficient number, since it is larger than the sum of its proper divisors (1).

40917271 is an equidigital number, since it uses as much as digits as its factorization.

40917271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 40917271 is about 6396.6609258268. The cubic root of 40917271 is about 344.5896430232.

The spelling of 40917271 in words is "forty million, nine hundred seventeen thousand, two hundred seventy-one".