3219901 has 2 divisors, whose sum is σ = 3219902. Its totient is φ = 3219900.

The previous prime is 3219893. The next prime is 3219917. The reversal of 3219901 is 1099123.

3219901 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., 3080025 + 139876 = 1755^2 + 374^2 .

It is a cyclic number.

It is not a de Polignac number, because 3219901 - 2³ = 3219893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3219301) 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, 1609950 + 1609951.

It is an arithmetic number, because the mean of its divisors is an integer number (1609951).

Almost surely, 2^3219901 is an apocalyptic number.

It is an amenable number.

3219901 is a deficient number, since it is larger than the sum of its proper divisors (1).

3219901 is an equidigital number, since it uses as much as digits as its factorization.

3219901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 3219901 is about 1794.4082590091. The cubic root of 3219901 is about 147.6661118139. Note that the first 3 decimals are identical.

The spelling of 3219901 in words is "three million, two hundred nineteen thousand, nine hundred one".