2150165 has 8 divisors (see below), whose sum is σ = 2604960. Its totient is φ = 1703632.

The previous prime is 2150149. The next prime is 2150171. The reversal of 2150165 is 5610512.

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 2150165 - 2⁴ = 2150149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1475 + ... + 2544.

It is an arithmetic number, because the mean of its divisors is an integer number (325620).

2^2150165 is an apocalyptic number.

It is an amenable number.

2150165 is a deficient number, since it is larger than the sum of its proper divisors (454795).

2150165 is a wasteful number, since it uses less digits than its factorization.

2150165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 2150165 is about 1466.3440933151. The cubic root of 2150165 is about 129.0695896787.

Adding to 2150165 its reverse (5610512), we get a palindrome (7760677).

The spelling of 2150165 in words is "two million, one hundred fifty thousand, one hundred sixty-five".