3256249 has 2 divisors, whose sum is σ = 3256250. Its totient is φ = 3256248.

The previous prime is 3256247. The next prime is 3256289. The reversal of 3256249 is 9426523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2433600 + 822649 = 1560^2 + 907^2 .

It is a cyclic number.

It is not a de Polignac number, because 3256249 - 2¹ = 3256247 is a prime.

Together with 3256247, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3256249.

It is not a weakly prime, because it can be changed into another prime (3256247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1628124 + 1628125.

It is an arithmetic number, because the mean of its divisors is an integer number (1628125).

Almost surely, 2^3256249 is an apocalyptic number.

It is an amenable number.

3256249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3256249 is an equidigital number, since it uses as much as digits as its factorization.

3256249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 3256249 is about 1804.5079661780. The cubic root of 3256249 is about 148.2196792430.

The spelling of 3256249 in words is "three million, two hundred fifty-six thousand, two hundred forty-nine".