4161813 has 4 divisors (see below), whose sum is σ = 5549088. Its totient is φ = 2774540.

The previous prime is 4161811. The next prime is 4161823. The reversal of 4161813 is 3181614.

4161813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4161813 - 2¹ = 4161811 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693633 + ... + 693638.

It is an arithmetic number, because the mean of its divisors is an integer number (1387272).

Almost surely, 2^4161813 is an apocalyptic number.

It is an amenable number.

4161813 is a deficient number, since it is larger than the sum of its proper divisors (1387275).

4161813 is a wasteful number, since it uses less digits than its factorization.

4161813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387274.

The product of its digits is 576, while the sum is 24.

The square root of 4161813 is about 2040.0522052144. The cubic root of 4161813 is about 160.8523909752.

The spelling of 4161813 in words is "four million, one hundred sixty-one thousand, eight hundred thirteen".