3218953 has 2 divisors, whose sum is σ = 3218954. Its totient is φ = 3218952.

The previous prime is 3218939. The next prime is 3218987. The reversal of 3218953 is 3598123.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2396304 + 822649 = 1548^2 + 907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3218953 is a prime.

3218953 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3218993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1609476 + 1609477.

It is an arithmetic number, because the mean of its divisors is an integer number (1609477).

Almost surely, 2^3218953 is an apocalyptic number.

It is an amenable number.

3218953 is a deficient number, since it is larger than the sum of its proper divisors (1).

3218953 is an equidigital number, since it uses as much as digits as its factorization.

3218953 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 3218953 is about 1794.1440856297. The cubic root of 3218953 is about 147.6516184890.

The spelling of 3218953 in words is "three million, two hundred eighteen thousand, nine hundred fifty-three".