34545213 has 12 divisors (see below), whose sum is σ = 49987548. Its totient is φ = 22989120.

The previous prime is 34545209. The next prime is 34545221. The reversal of 34545213 is 31254543.

It can be written as a sum of positive squares in 2 ways, for example, as 1159929 + 33385284 = 1077^2 + 5778^2 .

It is not a de Polignac number, because 34545213 - 2² = 34545209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34545223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2443 + ... + 8663.

It is an arithmetic number, because the mean of its divisors is an integer number (4165629).

Almost surely, 2^34545213 is an apocalyptic number.

It is an amenable number.

34545213 is a deficient number, since it is larger than the sum of its proper divisors (15442335).

34545213 is a wasteful number, since it uses less digits than its factorization.

34545213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844 (or 6841 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 34545213 is about 5877.5175882340. The cubic root of 34545213 is about 325.6836512377.

Adding to 34545213 its reverse (31254543), we get a palindrome (65799756).

The spelling of 34545213 in words is "thirty-four million, five hundred forty-five thousand, two hundred thirteen".