2553165 has 12 divisors (see below), whose sum is σ = 4425564. Its totient is φ = 1361664.

The previous prime is 2553157. The next prime is 2553203. The reversal of 2553165 is 5613552.

It can be written as a sum of positive squares in 2 ways, for example, as 1212201 + 1340964 = 1101^2 + 1158^2 .

It is not a de Polignac number, because 2553165 - 2³ = 2553157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28324 + ... + 28413.

It is an arithmetic number, because the mean of its divisors is an integer number (368797).

2^2553165 is an apocalyptic number.

It is an amenable number.

2553165 is a deficient number, since it is larger than the sum of its proper divisors (1872399).

2553165 is a wasteful number, since it uses less digits than its factorization.

2553165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56748 (or 56745 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 2553165 is about 1597.8626348970. The cubic root of 2553165 is about 136.6762204968.

The spelling of 2553165 in words is "two million, five hundred fifty-three thousand, one hundred sixty-five".