2606225 has 12 divisors (see below), whose sum is σ = 3286620. Its totient is φ = 2049600.

The previous prime is 2606221. The next prime is 2606231. The reversal of 2606225 is 5226062.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 861184 + 1745041 = 928^2 + 1321^2 .

It is not a de Polignac number, because 2606225 - 2² = 2606221 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2606225.

It is not an unprimeable number, because it can be changed into a prime (2606221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 671 + ... + 2379.

It is an arithmetic number, because the mean of its divisors is an integer number (273885).

2^2606225 is an apocalyptic number.

2606225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2606225 is a deficient number, since it is larger than the sum of its proper divisors (680395).

2606225 is a wasteful number, since it uses less digits than its factorization.

2606225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780 (or 1775 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2606225 is about 1614.3806862076. The cubic root of 2606225 is about 137.6165403150.

The spelling of 2606225 in words is "two million, six hundred six thousand, two hundred twenty-five".