41171987 has 2 divisors, whose sum is σ = 41171988. Its totient is φ = 41171986.

The previous prime is 41171981. The next prime is 41172049. The reversal of 41171987 is 78917114.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41171987 - 2⁴ = 41171971 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41171987.

It is not a weakly prime, because it can be changed into another prime (41171981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20585993 + 20585994.

It is an arithmetic number, because the mean of its divisors is an integer number (20585994).

Almost surely, 2^41171987 is an apocalyptic number.

41171987 is a deficient number, since it is larger than the sum of its proper divisors (1).

41171987 is an equidigital number, since it uses as much as digits as its factorization.

41171987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 38.

The square root of 41171987 is about 6416.5401113061. The cubic root of 41171987 is about 345.3032047087.

The spelling of 41171987 in words is "forty-one million, one hundred seventy-one thousand, nine hundred eighty-seven".