4557213 has 6 divisors (see below), whose sum is σ = 6582654. Its totient is φ = 3038136.

The previous prime is 4557211. The next prime is 4557229. The reversal of 4557213 is 3127554.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4485924 + 71289 = 2118^2 + 267^2 .

It is not a de Polignac number, because 4557213 - 2¹ = 4557211 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4557211) 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 in 5 ways as a sum of consecutive naturals, for example, 253170 + ... + 253187.

It is an arithmetic number, because the mean of its divisors is an integer number (1097109).

Almost surely, 2^4557213 is an apocalyptic number.

It is an amenable number.

4557213 is a deficient number, since it is larger than the sum of its proper divisors (2025441).

4557213 is a wasteful number, since it uses less digits than its factorization.

4557213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506363 (or 506360 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 4557213 is about 2134.7629845020. The cubic root of 4557213 is about 165.7930963604.

The spelling of 4557213 in words is "four million, five hundred fifty-seven thousand, two hundred thirteen".