4161613 has 8 divisors (see below), whose sum is σ = 4270968. Its totient is φ = 4053504.

The previous prime is 4161611. The next prime is 4161629. The reversal of 4161613 is 3161614.

4161613 = 1442² + 1443².

It is a happy number.

4161613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 213444 + 3948169 = 462^2 + 1987^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4161613 - 2¹ = 4161611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161611) 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 7 ways as a sum of consecutive naturals, for example, 12181 + ... + 12517.

It is an arithmetic number, because the mean of its divisors is an integer number (533871).

Almost surely, 2^4161613 is an apocalyptic number.

4161613 is the 1443-rd centered square number.

It is an amenable number.

4161613 is a deficient number, since it is larger than the sum of its proper divisors (109355).

4161613 is a wasteful number, since it uses less digits than its factorization.

4161613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623.

The product of its digits is 432, while the sum is 22.

The square root of 4161613 is about 2040.0031862720. The cubic root of 4161613 is about 160.8498142942.

Subtracting from 4161613 its reverse (3161614), we obtain a palindrome (999999).

It can be divided in two parts, 4161 and 613, that added together give a palindrome (4774).

The spelling of 4161613 in words is "four million, one hundred sixty-one thousand, six hundred thirteen".