2652665 has 4 divisors (see below), whose sum is σ = 3183204. Its totient is φ = 2122128.

The previous prime is 2652623. The next prime is 2652667. The reversal of 2652665 is 5662562.

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 1281424 + 1371241 = 1132^2 + 1171^2 .

It is a cyclic number.

It is not a de Polignac number, because 2652665 - 2⁸ = 2652409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2652667) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 265262 + ... + 265271.

It is an arithmetic number, because the mean of its divisors is an integer number (795801).

2^2652665 is an apocalyptic number.

It is an amenable number.

2652665 is a deficient number, since it is larger than the sum of its proper divisors (530539).

2652665 is an equidigital number, since it uses as much as digits as its factorization.

2652665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530538.

The product of its digits is 21600, while the sum is 32.

The square root of 2652665 is about 1628.7004021612. The cubic root of 2652665 is about 138.4291235057.

The spelling of 2652665 in words is "two million, six hundred fifty-two thousand, six hundred sixty-five".