34500421 has 4 divisors (see below), whose sum is σ = 34517344. Its totient is φ = 34483500.

The previous prime is 34500419. The next prime is 34500443. The reversal of 34500421 is 12400543.

34500421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34500421 - 2¹ = 34500419 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 (34500121) 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 3 ways as a sum of consecutive naturals, for example, 4905 + ... + 9646.

It is an arithmetic number, because the mean of its divisors is an integer number (8629336).

Almost surely, 2^34500421 is an apocalyptic number.

It is an amenable number.

34500421 is a deficient number, since it is larger than the sum of its proper divisors (16923).

34500421 is a wasteful number, since it uses less digits than its factorization.

34500421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16922.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 34500421 is about 5873.7059000260. The cubic root of 34500421 is about 325.5428277542.

Adding to 34500421 its reverse (12400543), we get a palindrome (46900964).

The spelling of 34500421 in words is "thirty-four million, five hundred thousand, four hundred twenty-one".