2256536 has 16 divisors (see below), whose sum is σ = 4266240. Its totient is φ = 1118880.

The previous prime is 2256533. The next prime is 2256539. The reversal of 2256536 is 6356522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2256533) and next prime (2256539).

It is a junction number, because it is equal to n+sod(n) for n = 2256499 and 2256508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256533) 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, 95 + ... + 2126.

It is an arithmetic number, because the mean of its divisors is an integer number (266640).

2^2256536 is an apocalyptic number.

It is an amenable number.

2256536 is a deficient number, since it is larger than the sum of its proper divisors (2009704).

2256536 is a wasteful number, since it uses less digits than its factorization.

2256536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354 (or 2350 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 2256536 is about 1502.1770867644. The cubic root of 2256536 is about 131.1638297576.

The spelling of 2256536 in words is "two million, two hundred fifty-six thousand, five hundred thirty-six".