2161353 has 8 divisors (see below), whose sum is σ = 2925088. Its totient is φ = 1419264.

The previous prime is 2161349. The next prime is 2161373. The reversal of 2161353 is 3531612.

2161353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2161353 - 2² = 2161349 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 6⁴ + 1 + 3⁶ + 5⁵ + 3¹⁰ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2161303) 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, 5176 + ... + 5577.

It is an arithmetic number, because the mean of its divisors is an integer number (365636).

2^2161353 is an apocalyptic number.

It is an amenable number.

2161353 is a deficient number, since it is larger than the sum of its proper divisors (763735).

2161353 is a wasteful number, since it uses less digits than its factorization.

2161353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10823.

The product of its digits is 540, while the sum is 21.

The square root of 2161353 is about 1470.1540735583. The cubic root of 2161353 is about 129.2930660474.

Adding to 2161353 its reverse (3531612), we get a palindrome (5692965).

The spelling of 2161353 in words is "two million, one hundred sixty-one thousand, three hundred fifty-three".