2513165 has 4 divisors (see below), whose sum is σ = 3015804. Its totient is φ = 2010528.

The previous prime is 2513153. The next prime is 2513179. The reversal of 2513165 is 5613152.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1901641 + 611524 = 1379^2 + 782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2513165 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2513165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251312 + ... + 251321.

It is an arithmetic number, because the mean of its divisors is an integer number (753951).

2^2513165 is an apocalyptic number.

It is an amenable number.

2513165 is a deficient number, since it is larger than the sum of its proper divisors (502639).

2513165 is an equidigital number, since it uses as much as digits as its factorization.

2513165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502638.

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

The square root of 2513165 is about 1585.2965022355. The cubic root of 2513165 is about 135.9586992525.

The spelling of 2513165 in words is "two million, five hundred thirteen thousand, one hundred sixty-five".