41506009 has 8 divisors (see below), whose sum is σ = 42071400. Its totient is φ = 40943616.

The previous prime is 41505979. The next prime is 41506033. The reversal of 41506009 is 90060514.

It can be written as a sum of positive squares in 4 ways, for example, as 5745609 + 35760400 = 2397^2 + 5980^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41506009 - 2⁵ = 41505977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41506039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43077 + ... + 44029.

It is an arithmetic number, because the mean of its divisors is an integer number (5258925).

Almost surely, 2^41506009 is an apocalyptic number.

It is an amenable number.

41506009 is a deficient number, since it is larger than the sum of its proper divisors (565391).

41506009 is an equidigital number, since it uses as much as digits as its factorization.

41506009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 41506009 is about 6442.5157353320. The cubic root of 41506009 is about 346.2344880468.

The spelling of 41506009 in words is "forty-one million, five hundred six thousand, nine".