3256243 has 4 divisors (see below), whose sum is σ = 3292920. Its totient is φ = 3219568.

The previous prime is 3256229. The next prime is 3256247. The reversal of 3256243 is 3426523.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3426523 = 31 ⋅110533.

It is a cyclic number.

It is not a de Polignac number, because 3256243 - 2²¹ = 1159091 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3¹³ + 2 + 5 + 6 + 2¹¹ + 4⁸ + 3¹³ .

It is a Duffinian number.

3256243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3256247) 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, 18205 + ... + 18382.

It is an arithmetic number, because the mean of its divisors is an integer number (823230).

Almost surely, 2^3256243 is an apocalyptic number.

3256243 is a deficient number, since it is larger than the sum of its proper divisors (36677).

3256243 is an equidigital number, since it uses as much as digits as its factorization.

3256243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36676.

The product of its digits is 4320, while the sum is 25.

The square root of 3256243 is about 1804.5063036742. The cubic root of 3256243 is about 148.2195882059.

The spelling of 3256243 in words is "three million, two hundred fifty-six thousand, two hundred forty-three".