2604653 has 4 divisors (see below), whose sum is σ = 2741760. Its totient is φ = 2467548.

The previous prime is 2604647. The next prime is 2604661. The reversal of 2604653 is 3564062.

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.

It is a cyclic number.

It is not a de Polignac number, because 2604653 - 2¹⁴ = 2588269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604683) 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, 68525 + ... + 68562.

It is an arithmetic number, because the mean of its divisors is an integer number (685440).

2^2604653 is an apocalyptic number.

It is an amenable number.

2604653 is a deficient number, since it is larger than the sum of its proper divisors (137107).

2604653 is a wasteful number, since it uses less digits than its factorization.

2604653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137106.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2604653 is about 1613.8937387573. The cubic root of 2604653 is about 137.5888659697.

It can be divided in two parts, 260 and 4653, that added together give a cube (4913 = 17³).

The spelling of 2604653 in words is "two million, six hundred four thousand, six hundred fifty-three".