2645288 has 8 divisors (see below), whose sum is σ = 4959930. Its totient is φ = 1322640.

The previous prime is 2645267. The next prime is 2645297. The reversal of 2645288 is 8825462.

It can be written as a sum of positive squares in only one way, i.e., 1350244 + 1295044 = 1162^2 + 1138^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165323 + ... + 165338.

2^2645288 is an apocalyptic number.

It is an amenable number.

2645288 is a deficient number, since it is larger than the sum of its proper divisors (2314642).

2645288 is a wasteful number, since it uses less digits than its factorization.

2645288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330667 (or 330663 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 2645288 is about 1626.4341363855. The cubic root of 2645288 is about 138.3006816373.

The spelling of 2645288 in words is "two million, six hundred forty-five thousand, two hundred eighty-eight".