41571949 has 2 divisors, whose sum is σ = 41571950. Its totient is φ = 41571948.

The previous prime is 41571947. The next prime is 41571977. The reversal of 41571949 is 94917514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39375625 + 2196324 = 6275^2 + 1482^2 .

It is a cyclic number.

It is not a de Polignac number, because 41571949 - 2¹ = 41571947 is a prime.

Together with 41571947, 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 (41571941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20785974 + 20785975.

It is an arithmetic number, because the mean of its divisors is an integer number (20785975).

Almost surely, 2^41571949 is an apocalyptic number.

It is an amenable number.

41571949 is a deficient number, since it is larger than the sum of its proper divisors (1).

41571949 is an equidigital number, since it uses as much as digits as its factorization.

41571949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 40.

The square root of 41571949 is about 6447.6312704745. The cubic root of 41571949 is about 346.4177436210.

The spelling of 41571949 in words is "forty-one million, five hundred seventy-one thousand, nine hundred forty-nine".