4101865 has 8 divisors (see below), whose sum is σ = 4939848. Its totient is φ = 3269760.

The previous prime is 4101863. The next prime is 4101869. The reversal of 4101865 is 5681014.

It can be written as a sum of positive squares in 4 ways, for example, as 85849 + 4016016 = 293^2 + 2004^2 .

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

It is not a de Polignac number, because 4101865 - 2¹ = 4101863 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4101863) 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, 255 + ... + 2875.

It is an arithmetic number, because the mean of its divisors is an integer number (617481).

Almost surely, 2^4101865 is an apocalyptic number.

It is an amenable number.

4101865 is a deficient number, since it is larger than the sum of its proper divisors (837983).

4101865 is a wasteful number, since it uses less digits than its factorization.

4101865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 4101865 is about 2025.3061496969. The cubic root of 4101865 is about 160.0763307668.

Adding to 4101865 its reverse (5681014), we get a palindrome (9782879).

The spelling of 4101865 in words is "four million, one hundred one thousand, eight hundred sixty-five".