4215213 has 8 divisors (see below), whose sum is σ = 6244800. Its totient is φ = 2810124.

The previous prime is 4215193. The next prime is 4215217. The reversal of 4215213 is 3125124.

It is not a de Polignac number, because 4215213 - 2⁹ = 4214701 is a prime.

It is a Curzon number.

4215213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4215217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78033 + ... + 78086.

It is an arithmetic number, because the mean of its divisors is an integer number (780600).

Almost surely, 2^4215213 is an apocalyptic number.

It is an amenable number.

4215213 is a deficient number, since it is larger than the sum of its proper divisors (2029587).

4215213 is a wasteful number, since it uses less digits than its factorization.

4215213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156128 (or 156122 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 4215213 is about 2053.0983902385. The cubic root of 4215213 is about 161.5374321755.

The spelling of 4215213 in words is "four million, two hundred fifteen thousand, two hundred thirteen".