2256541 has 8 divisors (see below), whose sum is σ = 2589120. Its totient is φ = 1926528.

The previous prime is 2256539. The next prime is 2256557. The reversal of 2256541 is 1456522.

2256541 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

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 2256541 - 2¹ = 2256539 is a prime.

It is a Duffinian number.

2256541 is strictly pandigital in base 8.

2256541 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1965 + ... + 2893.

It is an arithmetic number, because the mean of its divisors is an integer number (323640).

2^2256541 is an apocalyptic number.

It is an amenable number.

2256541 is a deficient number, since it is larger than the sum of its proper divisors (332579).

2256541 is an equidigital number, since it uses as much as digits as its factorization.

2256541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283.

The product of its digits is 2400, while the sum is 25.

The square root of 2256541 is about 1502.1787510147. The cubic root of 2256541 is about 131.1639266345.

The spelling of 2256541 in words is "two million, two hundred fifty-six thousand, five hundred forty-one".