34821543 has 4 divisors (see below), whose sum is σ = 46428728. Its totient is φ = 23214360.

The previous prime is 34821539. The next prime is 34821569. The reversal of 34821543 is 34512843.

34821543 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 an emirpimes, since its reverse is a distinct semiprime: 34512843 = 3 ⋅11504281.

It is not a de Polignac number, because 34821543 - 2² = 34821539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34821543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34821533) 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, 5803588 + ... + 5803593.

It is an arithmetic number, because the mean of its divisors is an integer number (11607182).

Almost surely, 2^34821543 is an apocalyptic number.

34821543 is a deficient number, since it is larger than the sum of its proper divisors (11607185).

34821543 is a wasteful number, since it uses less digits than its factorization.

34821543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11607184.

The product of its digits is 11520, while the sum is 30.

The square root of 34821543 is about 5900.9781392579. The cubic root of 34821543 is about 326.5497361357.

The spelling of 34821543 in words is "thirty-four million, eight hundred twenty-one thousand, five hundred forty-three".