10504321 has 4 divisors (see below), whose sum is σ = 11057200. Its totient is φ = 9951444.

The previous prime is 10504279. The next prime is 10504331. The reversal of 10504321 is 12340501.

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: 12340501 = 587 ⋅21023.

It is a cyclic number.

It is not a de Polignac number, because 10504321 - 2¹⁷ = 10373249 is a prime.

It is a super-2 number, since 2×10504321² = 220681519342082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10504295 and 10504304.

It is not an unprimeable number, because it can be changed into a prime (10504331) 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, 276411 + ... + 276448.

It is an arithmetic number, because the mean of its divisors is an integer number (2764300).

Almost surely, 2^10504321 is an apocalyptic number.

It is an amenable number.

10504321 is a deficient number, since it is larger than the sum of its proper divisors (552879).

10504321 is an equidigital number, since it uses as much as digits as its factorization.

10504321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552878.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 10504321 is about 3241.0370253979. The cubic root of 10504321 is about 219.0059908149.

Adding to 10504321 its reverse (12340501), we get a palindrome (22844822).

The spelling of 10504321 in words is "ten million, five hundred four thousand, three hundred twenty-one".