2004237605 has 4 divisors (see below), whose sum is σ = 2405085132. Its totient is φ = 1603390080.

The previous prime is 2004237581. The next prime is 2004237659. The reversal of 2004237605 is 5067324002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 670965409 + 1333272196 = 25903^2 + 36514^2 .

It is not a de Polignac number, because 2004237605 - 2¹² = 2004233509 is a prime.

It is a super-2 number, since 2×2004237605² = 8033936754592272050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200423756 + ... + 200423765.

It is an arithmetic number, because the mean of its divisors is an integer number (601271283).

Almost surely, 2^2004237605 is an apocalyptic number.

It is an amenable number.

2004237605 is a deficient number, since it is larger than the sum of its proper divisors (400847527).

2004237605 is an equidigital number, since it uses as much as digits as its factorization.

2004237605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400847526.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 2004237605 is about 44768.7123446721. The cubic root of 2004237605 is about 1260.8102634577.

The spelling of 2004237605 in words is "two billion, four million, two hundred thirty-seven thousand, six hundred five".