2520165 has 16 divisors (see below), whose sum is σ = 4269888. Its totient is φ = 1264896.

The previous prime is 2520151. The next prime is 2520169. The reversal of 2520165 is 5610252.

2520165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2520165 - 2⁴ = 2520149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520169) 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 15 ways as a sum of consecutive naturals, for example, 4687 + ... + 5196.

It is an arithmetic number, because the mean of its divisors is an integer number (266868).

2^2520165 is an apocalyptic number.

It is an amenable number.

2520165 is a deficient number, since it is larger than the sum of its proper divisors (1749723).

2520165 is a wasteful number, since it uses less digits than its factorization.

2520165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9908.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2520165 is about 1587.5027559031. The cubic root of 2520165 is about 136.0848122945.

The spelling of 2520165 in words is "two million, five hundred twenty thousand, one hundred sixty-five".