3251389 has 2 divisors, whose sum is σ = 3251390. Its totient is φ = 3251388.

The previous prime is 3251377. The next prime is 3251399. The reversal of 3251389 is 9831523.

It is a happy number.

3251389 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2839225 + 412164 = 1685^2 + 642^2 .

It is a cyclic number.

It is not a de Polignac number, because 3251389 - 2⁵ = 3251357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3251389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3251399) 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, 1625694 + 1625695.

It is an arithmetic number, because the mean of its divisors is an integer number (1625695).

Almost surely, 2^3251389 is an apocalyptic number.

It is an amenable number.

3251389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3251389 is an equidigital number, since it uses as much as digits as its factorization.

3251389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 3251389 is about 1803.1608358657. The cubic root of 3251389 is about 148.1459025022.

The spelling of 3251389 in words is "three million, two hundred fifty-one thousand, three hundred eighty-nine".