2159365 has 16 divisors (see below), whose sum is σ = 2822400. Its totient is φ = 1576512.

The previous prime is 2159363. The next prime is 2159383. The reversal of 2159365 is 5639512.

It is a cyclic number.

It is not a de Polignac number, because 2159365 - 2¹ = 2159363 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 5 + 9⁵ + 3³ + 6 + 5⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8916 + ... + 9154.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

2^2159365 is an apocalyptic number.

It is an amenable number.

2159365 is a deficient number, since it is larger than the sum of its proper divisors (663035).

2159365 is a wasteful number, since it uses less digits than its factorization.

2159365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396.

The product of its digits is 8100, while the sum is 31.

The square root of 2159365 is about 1469.4777984032. The cubic root of 2159365 is about 129.2534128824.

The spelling of 2159365 in words is "two million, one hundred fifty-nine thousand, three hundred sixty-five".