34520243 has 2 divisors, whose sum is σ = 34520244. Its totient is φ = 34520242.

The previous prime is 34520221. The next prime is 34520273. The reversal of 34520243 is 34202543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34520243 - 2¹² = 34516147 is a prime.

It is not a weakly prime, because it can be changed into another prime (34520273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17260121 + 17260122.

It is an arithmetic number, because the mean of its divisors is an integer number (17260122).

Almost surely, 2^34520243 is an apocalyptic number.

34520243 is a deficient number, since it is larger than the sum of its proper divisors (1).

34520243 is an equidigital number, since it uses as much as digits as its factorization.

34520243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 34520243 is about 5875.3930081315. The cubic root of 34520243 is about 325.6051620129.

Adding to 34520243 its reverse (34202543), we get a palindrome (68722786).

The spelling of 34520243 in words is "thirty-four million, five hundred twenty thousand, two hundred forty-three".