34540213 has 4 divisors (see below), whose sum is σ = 35106508. Its totient is φ = 33973920.

The previous prime is 34540199. The next prime is 34540217. The reversal of 34540213 is 31204543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31204543 = 733 ⋅42571.

It can be written as a sum of positive squares in 2 ways, for example, as 19158129 + 15382084 = 4377^2 + 3922^2 .

It is a cyclic number.

It is not a de Polignac number, because 34540213 - 2¹³ = 34532021 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 (34540217) 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, 283056 + ... + 283177.

It is an arithmetic number, because the mean of its divisors is an integer number (8776627).

Almost surely, 2^34540213 is an apocalyptic number.

It is an amenable number.

34540213 is a deficient number, since it is larger than the sum of its proper divisors (566295).

34540213 is an equidigital number, since it uses as much as digits as its factorization.

34540213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566294.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 34540213 is about 5877.0922232002. The cubic root of 34540213 is about 325.6679375619.

Adding to 34540213 its reverse (31204543), we get a palindrome (65744756).

The spelling of 34540213 in words is "thirty-four million, five hundred forty thousand, two hundred thirteen".