34152321 has 8 divisors (see below), whose sum is σ = 52041664. Its totient is φ = 19515600.

The previous prime is 34152301. The next prime is 34152331. The reversal of 34152321 is 12325143.

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

It is not a de Polignac number, because 34152321 - 2⁵ = 34152289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1626301 = 34152321 / (3 + 4 + 1 + 5 + 2 + 3 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34152301) 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, 813130 + ... + 813171.

It is an arithmetic number, because the mean of its divisors is an integer number (6505208).

Almost surely, 2^34152321 is an apocalyptic number.

It is an amenable number.

34152321 is a deficient number, since it is larger than the sum of its proper divisors (17889343).

34152321 is a wasteful number, since it uses less digits than its factorization.

34152321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626311.

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

The square root of 34152321 is about 5843.9987166323. The cubic root of 34152321 is about 324.4442446683. Note that the first 3 decimals are identical.

Adding to 34152321 its reverse (12325143), we get a palindrome (46477464).

The spelling of 34152321 in words is "thirty-four million, one hundred fifty-two thousand, three hundred twenty-one".