41870161 has 4 divisors (see below), whose sum is σ = 41887552. Its totient is φ = 41852772.

The previous prime is 41870149. The next prime is 41870177. The reversal of 41870161 is 16107814.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41870161 - 2⁷ = 41870033 is a prime.

It is a super-2 number, since 2×41870161² = 3506220764331842, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41870141) 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, 4365 + ... + 10138.

It is an arithmetic number, because the mean of its divisors is an integer number (10471888).

Almost surely, 2^41870161 is an apocalyptic number.

It is an amenable number.

41870161 is a deficient number, since it is larger than the sum of its proper divisors (17391).

41870161 is a wasteful number, since it uses less digits than its factorization.

41870161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17390.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 41870161 is about 6470.7156482108. The cubic root of 41870161 is about 347.2441012356.

Adding to 41870161 its reverse (16107814), we get a palindrome (57977975).

The spelling of 41870161 in words is "forty-one million, eight hundred seventy thousand, one hundred sixty-one".