34520213 has 8 divisors (see below), whose sum is σ = 42486528. Its totient is φ = 27312624.

The previous prime is 34520201. The next prime is 34520221. The reversal of 34520213 is 31202543.

It is a happy number.

34520213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34520213 - 2⁴ = 34520197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34520243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189581 + ... + 189762.

It is an arithmetic number, because the mean of its divisors is an integer number (5310816).

Almost surely, 2^34520213 is an apocalyptic number.

It is an amenable number.

34520213 is a deficient number, since it is larger than the sum of its proper divisors (7966315).

34520213 is a wasteful number, since it uses less digits than its factorization.

34520213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379363.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 34520213 is about 5875.3904551102. The cubic root of 34520213 is about 325.6050676899.

Adding to 34520213 its reverse (31202543), we get a palindrome (65722756).

The spelling of 34520213 in words is "thirty-four million, five hundred twenty thousand, two hundred thirteen".