4256213 has 4 divisors (see below), whose sum is σ = 4583628. Its totient is φ = 3928800.

The previous prime is 4256191. The next prime is 4256227. The reversal of 4256213 is 3126524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 877969 + 3378244 = 937^2 + 1838^2 .

It is a cyclic number.

It is not a de Polignac number, because 4256213 - 2¹² = 4252117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256233) 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 3 ways as a sum of consecutive naturals, for example, 163688 + ... + 163713.

It is an arithmetic number, because the mean of its divisors is an integer number (1145907).

Almost surely, 2^4256213 is an apocalyptic number.

It is an amenable number.

4256213 is a deficient number, since it is larger than the sum of its proper divisors (327415).

4256213 is a wasteful number, since it uses less digits than its factorization.

4256213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327414.

The product of its digits is 1440, while the sum is 23.

The square root of 4256213 is about 2063.0591363313. The cubic root of 4256213 is about 162.0594838206.

The spelling of 4256213 in words is "four million, two hundred fifty-six thousand, two hundred thirteen".