2606653 has 6 divisors (see below), whose sum is σ = 3032286. Its totient is φ = 2234232.

The previous prime is 2606651. The next prime is 2606677. The reversal of 2606653 is 3566062.

It can be written as a sum of positive squares in only one way, i.e., 2393209 + 213444 = 1547^2 + 462^2 .

It is not a de Polignac number, because 2606653 - 2¹ = 2606651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26550 + ... + 26647.

It is an arithmetic number, because the mean of its divisors is an integer number (505381).

2^2606653 is an apocalyptic number.

It is an amenable number.

2606653 is a deficient number, since it is larger than the sum of its proper divisors (425633).

2606653 is an equidigital number, since it uses as much as digits as its factorization.

2606653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53211 (or 53204 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 2606653 is about 1614.5132393387. The cubic root of 2606653 is about 137.6240731329.

The spelling of 2606653 in words is "two million, six hundred six thousand, six hundred fifty-three".