34023521 has 8 divisors (see below), whose sum is σ = 39033984. Its totient is φ = 29050560.

The previous prime is 34023497. The next prime is 34023527. The reversal of 34023521 is 12532043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-34023521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34023493 and 34023502.

It is not an unprimeable number, because it can be changed into a prime (34023527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7400 + ... + 11081.

It is an arithmetic number, because the mean of its divisors is an integer number (4879248).

Almost surely, 2^34023521 is an apocalyptic number.

It is an amenable number.

34023521 is a deficient number, since it is larger than the sum of its proper divisors (5010463).

34023521 is a wasteful number, since it uses less digits than its factorization.

34023521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18751.

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

The square root of 34023521 is about 5832.9684552550. The cubic root of 34023521 is about 324.0358677205.

Adding to 34023521 its reverse (12532043), we get a palindrome (46555564).

The spelling of 34023521 in words is "thirty-four million, twenty-three thousand, five hundred twenty-one".