41605019 has 4 divisors (see below), whose sum is σ = 41628744. Its totient is φ = 41581296.

The previous prime is 41605013. The next prime is 41605043. The reversal of 41605019 is 91050614.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91050614 = 2 ⋅45525307.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41605019 is a prime.

It is a super-2 number, since 2×41605019² = 3461955211980722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41605013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9002 + ... + 12815.

It is an arithmetic number, because the mean of its divisors is an integer number (10407186).

Almost surely, 2^41605019 is an apocalyptic number.

41605019 is a deficient number, since it is larger than the sum of its proper divisors (23725).

41605019 is a wasteful number, since it uses less digits than its factorization.

41605019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23724.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 41605019 is about 6450.1952683620. The cubic root of 41605019 is about 346.5095763647.

The spelling of 41605019 in words is "forty-one million, six hundred five thousand, nineteen".