34512321 has 8 divisors (see below), whose sum is σ = 46043584. Its totient is φ = 22994640.

The previous prime is 34512307. The next prime is 34512323. The reversal of 34512321 is 12321543.

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

It is not a de Polignac number, because 34512321 - 2¹⁰ = 34511297 is a prime.

It is a super-2 number, since 2×34512321² = 2382200601614082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34512323) 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, 8055 + ... + 11571.

It is an arithmetic number, because the mean of its divisors is an integer number (5755448).

Almost surely, 2^34512321 is an apocalyptic number.

It is an amenable number.

34512321 is a deficient number, since it is larger than the sum of its proper divisors (11531263).

34512321 is a wasteful number, since it uses less digits than its factorization.

34512321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6791.

The product of its digits is 720, while the sum is 21.

The square root of 34512321 is about 5874.7188017811. The cubic root of 34512321 is about 325.5802525568.

Adding to 34512321 its reverse (12321543), we get a palindrome (46833864).

The spelling of 34512321 in words is "thirty-four million, five hundred twelve thousand, three hundred twenty-one".