41607809 has 4 divisors (see below), whose sum is σ = 42392916. Its totient is φ = 40822704.

The previous prime is 41607793. The next prime is 41607833. The reversal of 41607809 is 90870614.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90870614 = 2 ⋅45435307.

It can be written as a sum of positive squares in 2 ways, for example, as 26553409 + 15054400 = 5153^2 + 3880^2 .

It is a cyclic number.

It is not a de Polignac number, because 41607809 - 2⁴ = 41607793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (41607409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392474 + ... + 392579.

It is an arithmetic number, because the mean of its divisors is an integer number (10598229).

Almost surely, 2^41607809 is an apocalyptic number.

It is an amenable number.

41607809 is a deficient number, since it is larger than the sum of its proper divisors (785107).

41607809 is an equidigital number, since it uses as much as digits as its factorization.

41607809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785106.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 41607809 is about 6450.4115372587. The cubic root of 41607809 is about 346.5173217452.

The spelling of 41607809 in words is "forty-one million, six hundred seven thousand, eight hundred nine".