2606521204 has 24 divisors (see below), whose sum is σ = 5216617728. Its totient is φ = 1116314400.

The previous prime is 2606521157. The next prime is 2606521217. The reversal of 2606521204 is 4021256062.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10629 + ... + 72979.

It is an arithmetic number, because the mean of its divisors is an integer number (217359072).

Almost surely, 2^2606521204 is an apocalyptic number.

It is an amenable number.

2606521204 is an abundant number, since it is smaller than the sum of its proper divisors (2610096524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2606521204 is a wasteful number, since it uses less digits than its factorization.

2606521204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63855 (or 63853 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2606521204 is about 51054.1007559628. The cubic root of 2606521204 is about 1376.2175360564.

Adding to 2606521204 its reverse (4021256062), we get a palindrome (6627777266).

The spelling of 2606521204 in words is "two billion, six hundred six million, five hundred twenty-one thousand, two hundred four".