10504009 has 4 divisors (see below), whose sum is σ = 10842880. Its totient is φ = 10165140.

The previous prime is 10504007. The next prime is 10504019. The reversal of 10504009 is 90040501.

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: 90040501 = 2417 ⋅37253.

It is a cyclic number.

It is not a de Polignac number, because 10504009 - 2¹ = 10504007 is a prime.

It is a super-2 number, since 2×10504009² = 220668410144162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10504007) 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, 169389 + ... + 169450.

It is an arithmetic number, because the mean of its divisors is an integer number (2710720).

Almost surely, 2^10504009 is an apocalyptic number.

It is an amenable number.

10504009 is a deficient number, since it is larger than the sum of its proper divisors (338871).

10504009 is an equidigital number, since it uses as much as digits as its factorization.

10504009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338870.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 10504009 is about 3240.9888922982. The cubic root of 10504009 is about 219.0038224835.

The spelling of 10504009 in words is "ten million, five hundred four thousand, nine".