40527169 has 2 divisors, whose sum is σ = 40527170. Its totient is φ = 40527168.

The previous prime is 40527143. The next prime is 40527197. The reversal of 40527169 is 96172504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36966400 + 3560769 = 6080^2 + 1887^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40527169 is a prime.

It is a super-2 number, since 2×40527169² = 3284902854309122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40527769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20263584 + 20263585.

It is an arithmetic number, because the mean of its divisors is an integer number (20263585).

Almost surely, 2^40527169 is an apocalyptic number.

It is an amenable number.

40527169 is a deficient number, since it is larger than the sum of its proper divisors (1).

40527169 is an equidigital number, since it uses as much as digits as its factorization.

40527169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 40527169 is about 6366.0952710433. The cubic root of 40527169 is about 343.4910475544.

The spelling of 40527169 in words is "forty million, five hundred twenty-seven thousand, one hundred sixty-nine".