2153165 has 8 divisors (see below), whose sum is σ = 2952960. Its totient is φ = 1476432.

The previous prime is 2153159. The next prime is 2153171. The reversal of 2153165 is 5613512.

2153165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2153159) and next prime (2153171).

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 2153165 - 2⁴ = 2153149 is a prime.

It is a super-2 number, since 2×2153165² = 9272239034450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2153165.

It is a congruent number.

It is an unprimeable number.

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, 30725 + ... + 30794.

It is an arithmetic number, because the mean of its divisors is an integer number (369120).

2^2153165 is an apocalyptic number.

It is an amenable number.

2153165 is a deficient number, since it is larger than the sum of its proper divisors (799795).

2153165 is an equidigital number, since it uses as much as digits as its factorization.

2153165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61531.

The product of its digits is 900, while the sum is 23.

The square root of 2153165 is about 1467.3666890045. The cubic root of 2153165 is about 129.1295895431.

Adding to 2153165 its reverse (5613512), we get a palindrome (7766677).

The spelling of 2153165 in words is "two million, one hundred fifty-three thousand, one hundred sixty-five".