3225139 has 2 divisors, whose sum is σ = 3225140. Its totient is φ = 3225138.

The previous prime is 3225137. The next prime is 3225143. The reversal of 3225139 is 9315223.

It is a happy number.

3225139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (9315223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3225139 - 2¹ = 3225137 is a prime.

Together with 3225137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3225137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1612569 + 1612570.

It is an arithmetic number, because the mean of its divisors is an integer number (1612570).

Almost surely, 2^3225139 is an apocalyptic number.

3225139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3225139 is an equidigital number, since it uses as much as digits as its factorization.

3225139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 25.

The square root of 3225139 is about 1795.8671999900. The cubic root of 3225139 is about 147.7461407810.

It can be divided in two parts, 3225 and 139, that added together give a square (3364 = 58²).

The spelling of 3225139 in words is "three million, two hundred twenty-five thousand, one hundred thirty-nine".