34521203 has 4 divisors (see below), whose sum is σ = 36551880. Its totient is φ = 32490528.

The previous prime is 34521199. The next prime is 34521211. The reversal of 34521203 is 30212543.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34521203 - 2² = 34521199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34521283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015313 + ... + 1015346.

It is an arithmetic number, because the mean of its divisors is an integer number (9137970).

Almost surely, 2^34521203 is an apocalyptic number.

34521203 is a deficient number, since it is larger than the sum of its proper divisors (2030677).

34521203 is a wasteful number, since it uses less digits than its factorization.

34521203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030676.

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

The square root of 34521203 is about 5875.4747042260. The cubic root of 34521203 is about 325.6081803198.

Adding to 34521203 its reverse (30212543), we get a palindrome (64733746).

The spelling of 34521203 in words is "thirty-four million, five hundred twenty-one thousand, two hundred three".