30852213 has 24 divisors (see below), whose sum is σ = 49029120. Its totient is φ = 17196480.

The previous prime is 30852197. The next prime is 30852233. The reversal of 30852213 is 31225803.

It is not a de Polignac number, because 30852213 - 2⁴ = 30852197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30852233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3468 + ... + 8586.

It is an arithmetic number, because the mean of its divisors is an integer number (2042880).

Almost surely, 2^30852213 is an apocalyptic number.

It is an amenable number.

30852213 is a deficient number, since it is larger than the sum of its proper divisors (18176907).

30852213 is a wasteful number, since it uses less digits than its factorization.

30852213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5177 (or 5170 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 30852213 is about 5554.4768430519. The cubic root of 30852213 is about 313.6380706863.

The spelling of 30852213 in words is "thirty million, eight hundred fifty-two thousand, two hundred thirteen".