4252321 has 4 divisors (see below), whose sum is σ = 4277952. Its totient is φ = 4226692.

The previous prime is 4252319. The next prime is 4252327. The reversal of 4252321 is 1232524.

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 4252321 - 2¹ = 4252319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4252327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12565 + ... + 12898.

It is an arithmetic number, because the mean of its divisors is an integer number (1069488).

Almost surely, 2^4252321 is an apocalyptic number.

It is an amenable number.

4252321 is a deficient number, since it is larger than the sum of its proper divisors (25631).

4252321 is a wasteful number, since it uses less digits than its factorization.

4252321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25630.

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

The square root of 4252321 is about 2062.1156611597. The cubic root of 4252321 is about 162.0100715173.

Adding to 4252321 its reverse (1232524), we get a palindrome (5484845).

The spelling of 4252321 in words is "four million, two hundred fifty-two thousand, three hundred twenty-one".