2887265 has 4 divisors (see below), whose sum is σ = 3464724. Its totient is φ = 2309808.

The previous prime is 2887237. The next prime is 2887279. The reversal of 2887265 is 5627882.

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 1456849 + 1430416 = 1207^2 + 1196^2 .

It is a cyclic number.

It is not a de Polignac number, because 2887265 - 2⁶ = 2887201 is a prime.

It is a Duffinian 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, 288722 + ... + 288731.

It is an arithmetic number, because the mean of its divisors is an integer number (866181).

2^2887265 is an apocalyptic number.

It is an amenable number.

2887265 is a deficient number, since it is larger than the sum of its proper divisors (577459).

2887265 is an equidigital number, since it uses as much as digits as its factorization.

2887265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577458.

The product of its digits is 53760, while the sum is 38.

The square root of 2887265 is about 1699.1953978280. The cubic root of 2887265 is about 142.3952651973.

The spelling of 2887265 in words is "two million, eight hundred eighty-seven thousand, two hundred sixty-five".