472321 has 4 divisors (see below), whose sum is σ = 497200. Its totient is φ = 447444.

The previous prime is 472319. The next prime is 472331. The reversal of 472321 is 123274.

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, and also an emirpimes, since its reverse is a distinct semiprime: 123274 = 2 ⋅61637.

It is a cyclic number.

It is not a de Polignac number, because 472321 - 2¹ = 472319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 24859 = 472321 / (4 + 7 + 2 + 3 + 2 + 1).

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472301) 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, 12411 + ... + 12448.

It is an arithmetic number, because the mean of its divisors is an integer number (124300).

2⁴⁷²³²¹ is an apocalyptic number.

It is an amenable number.

472321 is a deficient number, since it is larger than the sum of its proper divisors (24879).

472321 is a wasteful number, since it uses less digits than its factorization.

472321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24878.

The product of its digits is 336, while the sum is 19.

The square root of 472321 is about 687.2561385684. The cubic root of 472321 is about 77.8775747676.

Adding to 472321 its reverse (123274), we get a palindrome (595595).

The spelling of 472321 in words is "four hundred seventy-two thousand, three hundred twenty-one", and thus it is an iban number.