2647265 has 8 divisors (see below), whose sum is σ = 3286440. Its totient is φ = 2044672.

The previous prime is 2647259. The next prime is 2647279. The reversal of 2647265 is 5627462.

It can be written as a sum of positive squares in 4 ways, for example, as 141376 + 2505889 = 376^2 + 1583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2647265 - 2⁸ = 2647009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8984 + ... + 9273.

It is an arithmetic number, because the mean of its divisors is an integer number (410805).

2^2647265 is an apocalyptic number.

It is an amenable number.

2647265 is a deficient number, since it is larger than the sum of its proper divisors (639175).

2647265 is a wasteful number, since it uses less digits than its factorization.

2647265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18291.

The product of its digits is 20160, while the sum is 32.

The square root of 2647265 is about 1627.0417941774. The cubic root of 2647265 is about 138.3351268295.

The spelling of 2647265 in words is "two million, six hundred forty-seven thousand, two hundred sixty-five".