10004565 has 32 divisors (see below), whose sum is σ = 16790400. Its totient is φ = 5080320.

The previous prime is 10004557. The next prime is 10004573. The reversal of 10004565 is 56540001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10004557) and next prime (10004573).

It is not a de Polignac number, because 10004565 - 2³ = 10004557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47310 + ... + 47520.

It is an arithmetic number, because the mean of its divisors is an integer number (524700).

Almost surely, 2^10004565 is an apocalyptic number.

10004565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10004565 is a deficient number, since it is larger than the sum of its proper divisors (6785835).

10004565 is a wasteful number, since it uses less digits than its factorization.

10004565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 10004565 is about 3162.9993676888. Note that the first 3 decimals coincide. The cubic root of 10004565 is about 215.4762473305.

Adding to 10004565 its reverse (56540001), we get a palindrome (66544566).

It can be divided in two parts, 1000 and 4565, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 10004565 in words is "ten million, four thousand, five hundred sixty-five".