3220523 has 2 divisors, whose sum is σ = 3220524. Its totient is φ = 3220522.

The previous prime is 3220513. The next prime is 3220543. The reversal of 3220523 is 3250223.

It is a weak prime.

It is an emirp because it is prime and its reverse (3250223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3220523 - 2⁸ = 3220267 is a prime.

It is equal to p₂₃₁₆₀₅ and since 3220523 and 231605 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (3220513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610261 + 1610262.

It is an arithmetic number, because the mean of its divisors is an integer number (1610262).

Almost surely, 2^3220523 is an apocalyptic number.

3220523 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220523 is an equidigital number, since it uses as much as digits as its factorization.

3220523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 3220523 is about 1794.5815668283. The cubic root of 3220523 is about 147.6756196019.

Adding to 3220523 its reverse (3250223), we get a palindrome (6470746).

The spelling of 3220523 in words is "three million, two hundred twenty thousand, five hundred twenty-three".