4085213 has 4 divisors (see below), whose sum is σ = 4456608. Its totient is φ = 3713820.

The previous prime is 4085183. The next prime is 4085239. The reversal of 4085213 is 3125804.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4085213 - 2¹⁴ = 4068829 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 (4085243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185681 + ... + 185702.

It is an arithmetic number, because the mean of its divisors is an integer number (1114152).

Almost surely, 2^4085213 is an apocalyptic number.

It is an amenable number.

4085213 is a deficient number, since it is larger than the sum of its proper divisors (371395).

4085213 is a wasteful number, since it uses less digits than its factorization.

4085213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371394.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 4085213 is about 2021.1909855330. The cubic root of 4085213 is about 159.8594207913.

The spelling of 4085213 in words is "four million, eighty-five thousand, two hundred thirteen".