10004591 has 4 divisors (see below), whose sum is σ = 10012800. Its totient is φ = 9996384.

The previous prime is 10004573. The next prime is 10004597. The reversal of 10004591 is 19540001.

10004591 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10004591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10004597) 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, 1871 + ... + 4848.

It is an arithmetic number, because the mean of its divisors is an integer number (2503200).

Almost surely, 2^10004591 is an apocalyptic number.

10004591 is a deficient number, since it is larger than the sum of its proper divisors (8209).

10004591 is an equidigital number, since it uses as much as digits as its factorization.

10004591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8208.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 10004591 is about 3163.0034777091. The cubic root of 10004591 is about 215.4764339912.

Adding to 10004591 its reverse (19540001), we get a palindrome (29544592).

The spelling of 10004591 in words is "ten million, four thousand, five hundred ninety-one".