3422521 has 2 divisors, whose sum is σ = 3422522. Its totient is φ = 3422520.

The previous prime is 3422519. The next prime is 3422539. The reversal of 3422521 is 1252243.

3422521 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 can be written as a sum of positive squares in only one way, i.e., 3404025 + 18496 = 1845^2 + 136^2 .

It is a cyclic number.

It is not a de Polignac number, because 3422521 - 2¹ = 3422519 is a prime.

Together with 3422519, it forms a pair of twin primes.

3422521 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3422501) 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, 1711260 + 1711261.

It is an arithmetic number, because the mean of its divisors is an integer number (1711261).

Almost surely, 2^3422521 is an apocalyptic number.

It is an amenable number.

3422521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3422521 is an equidigital number, since it uses as much as digits as its factorization.

3422521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 19.

The square root of 3422521 is about 1850.0056756670. The cubic root of 3422521 is about 150.7007361760.

Adding to 3422521 its reverse (1252243), we get a palindrome (4674764).

The spelling of 3422521 in words is "three million, four hundred twenty-two thousand, five hundred twenty-one".