3251863 has 2 divisors, whose sum is σ = 3251864. Its totient is φ = 3251862.

The previous prime is 3251861. The next prime is 3251873. The reversal of 3251863 is 3681523.

It is a weak prime.

It is an emirp because it is prime and its reverse (3681523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3251863 - 2¹ = 3251861 is a prime.

It is a super-2 number, since 2×3251863² = 21149225941538, which contains 22 as substring.

Together with 3251861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3251861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1625931 + 1625932.

It is an arithmetic number, because the mean of its divisors is an integer number (1625932).

Almost surely, 2^3251863 is an apocalyptic number.

3251863 is a deficient number, since it is larger than the sum of its proper divisors (1).

3251863 is an equidigital number, since it uses as much as digits as its factorization.

3251863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 3251863 is about 1803.2922669384. The cubic root of 3251863 is about 148.1531012457.

It can be divided in two parts, 3251 and 863, that added together give a palindrome (4114).

The spelling of 3251863 in words is "three million, two hundred fifty-one thousand, eight hundred sixty-three".