4556213 has 2 divisors, whose sum is σ = 4556214. Its totient is φ = 4556212.

The previous prime is 4556203. The next prime is 4556239. The reversal of 4556213 is 3126554.

It is an a-pointer prime, because the next prime (4556239) can be obtained adding 4556213 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2502724 + 2053489 = 1582^2 + 1433^2 .

It is a cyclic number.

It is not a de Polignac number, because 4556213 - 2²² = 361909 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4556203) 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, 2278106 + 2278107.

It is an arithmetic number, because the mean of its divisors is an integer number (2278107).

Almost surely, 2^4556213 is an apocalyptic number.

It is an amenable number.

4556213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4556213 is an equidigital number, since it uses as much as digits as its factorization.

4556213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 26.

The square root of 4556213 is about 2134.5287536128. The cubic root of 4556213 is about 165.7809686831.

The spelling of 4556213 in words is "four million, five hundred fifty-six thousand, two hundred thirteen".