2256395 has 4 divisors (see below), whose sum is σ = 2707680. Its totient is φ = 1805112.

The previous prime is 2256389. The next prime is 2256413. The reversal of 2256395 is 5936522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5936522 = 2 ⋅2968261.

It is a cyclic number.

It is not a de Polignac number, because 2256395 - 2⁴ = 2256379 is a prime.

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, 225635 + ... + 225644.

It is an arithmetic number, because the mean of its divisors is an integer number (676920).

2^2256395 is an apocalyptic number.

2256395 is a deficient number, since it is larger than the sum of its proper divisors (451285).

2256395 is an equidigital number, since it uses as much as digits as its factorization.

2256395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451284.

The product of its digits is 16200, while the sum is 32.

The square root of 2256395 is about 1502.1301541478. The cubic root of 2256395 is about 131.1610977699.

It can be divided in two parts, 22563 and 95, that multiplied together give a triangular number (2143485 = T₂₀₇₀).

The spelling of 2256395 in words is "two million, two hundred fifty-six thousand, three hundred ninety-five".