2656315 has 4 divisors (see below), whose sum is σ = 3187584. Its totient is φ = 2125048.

The previous prime is 2656309. The next prime is 2656319. The reversal of 2656315 is 5136562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2656315 - 2⁹ = 2655803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2656319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265627 + ... + 265636.

It is an arithmetic number, because the mean of its divisors is an integer number (796896).

2^2656315 is an apocalyptic number.

2656315 is a deficient number, since it is larger than the sum of its proper divisors (531269).

2656315 is an equidigital number, since it uses as much as digits as its factorization.

2656315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531268.

The product of its digits is 5400, while the sum is 28.

The square root of 2656315 is about 1629.8205422684. The cubic root of 2656315 is about 138.4925860654.

The spelling of 2656315 in words is "two million, six hundred fifty-six thousand, three hundred fifteen".