2165097 has 8 divisors (see below), whose sum is σ = 3149280. Its totient is φ = 1312160.

The previous prime is 2165089. The next prime is 2165117. The reversal of 2165097 is 7905612.

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 2165097 - 2³ = 2165089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2165017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32772 + ... + 32837.

It is an arithmetic number, because the mean of its divisors is an integer number (393660).

2^2165097 is an apocalyptic number.

It is an amenable number.

2165097 is a deficient number, since it is larger than the sum of its proper divisors (984183).

2165097 is a wasteful number, since it uses less digits than its factorization.

2165097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65623.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 2165097 is about 1471.4268585288. The cubic root of 2165097 is about 129.3676788781.

The spelling of 2165097 in words is "two million, one hundred sixty-five thousand, ninety-seven".