2605607 has 4 divisors (see below), whose sum is σ = 2758896. Its totient is φ = 2452320.

The previous prime is 2605579. The next prime is 2605609. The reversal of 2605607 is 7065062.

2605607 is digitally balanced in base 2, because in such base 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 an emirpimes, since its reverse is a distinct semiprime: 7065062 = 2 ⋅3532531.

It is a cyclic number.

It is not a de Polignac number, because 2605607 - 2⁶ = 2605543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76619 + ... + 76652.

It is an arithmetic number, because the mean of its divisors is an integer number (689724).

2^2605607 is an apocalyptic number.

2605607 is a deficient number, since it is larger than the sum of its proper divisors (153289).

2605607 is a wasteful number, since it uses less digits than its factorization.

2605607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153288.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 2605607 is about 1614.1892701911. The cubic root of 2605607 is about 137.6056620338.

The spelling of 2605607 in words is "two million, six hundred five thousand, six hundred seven".