2256499 has 6 divisors (see below), whose sum is σ = 2624964. Its totient is φ = 1934100.

The previous prime is 2256479. The next prime is 2256533. The reversal of 2256499 is 9946522.

It is not a de Polignac number, because 2256499 - 2⁵ = 2256467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2256469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22977 + ... + 23074.

It is an arithmetic number, because the mean of its divisors is an integer number (437494).

2^2256499 is an apocalyptic number.

2256499 is a deficient number, since it is larger than the sum of its proper divisors (368465).

2256499 is an equidigital number, since it uses as much as digits as its factorization.

2256499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46065 (or 46058 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 2256499 is about 1502.1647712551. The cubic root of 2256499 is about 131.1631128640.

It can be divided in two parts, 225 and 6499, that added together give a square (6724 = 82²).

The spelling of 2256499 in words is "two million, two hundred fifty-six thousand, four hundred ninety-nine".