40532171 has 2 divisors, whose sum is σ = 40532172. Its totient is φ = 40532170.

The previous prime is 40532117. The next prime is 40532197. The reversal of 40532171 is 17123504.

Together with previous prime (40532117) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40532171 is a prime.

It is not a weakly prime, because it can be changed into another prime (40532071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20266085 + 20266086.

It is an arithmetic number, because the mean of its divisors is an integer number (20266086).

Almost surely, 2^40532171 is an apocalyptic number.

40532171 is a deficient number, since it is larger than the sum of its proper divisors (1).

40532171 is an equidigital number, since it uses as much as digits as its factorization.

40532171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 40532171 is about 6366.4881214057. The cubic root of 40532171 is about 343.5051785813.

Adding to 40532171 its reverse (17123504), we get a palindrome (57655675).

The spelling of 40532171 in words is "forty million, five hundred thirty-two thousand, one hundred seventy-one".