2604505 has 8 divisors (see below), whose sum is σ = 3192192. Its totient is φ = 2039088.

The previous prime is 2604499. The next prime is 2604509. The reversal of 2604505 is 5054062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2604505 - 2⁷ = 2604377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2604509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5307 + ... + 5776.

It is an arithmetic number, because the mean of its divisors is an integer number (399024).

2^2604505 is an apocalyptic number.

It is an amenable number.

2604505 is a deficient number, since it is larger than the sum of its proper divisors (587687).

2604505 is a wasteful number, since it uses less digits than its factorization.

2604505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11135.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2604505 is about 1613.8478862644. The cubic root of 2604505 is about 137.5862599235.

Adding to 2604505 its reverse (5054062), we get a palindrome (7658567).

The spelling of 2604505 in words is "two million, six hundred four thousand, five hundred five".