2656925 has 6 divisors (see below), whose sum is σ = 3294618. Its totient is φ = 2125520.

The previous prime is 2656921. The next prime is 2656949. The reversal of 2656925 is 5296562.

It can be written as a sum of positive squares in 3 ways, for example, as 948676 + 1708249 = 974^2 + 1307^2 .

It is not a de Polignac number, because 2656925 - 2² = 2656921 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53114 + ... + 53163.

It is an arithmetic number, because the mean of its divisors is an integer number (549103).

2^2656925 is an apocalyptic number.

2656925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2656925 is a deficient number, since it is larger than the sum of its proper divisors (637693).

2656925 is a wasteful number, since it uses less digits than its factorization.

2656925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106287 (or 106282 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The square root of 2656925 is about 1630.0076686936. The cubic root of 2656925 is about 138.5031864663.

It can be divided in two parts, 26569 and 25, that multiplied together give a square (664225 = 815²).

The spelling of 2656925 in words is "two million, six hundred fifty-six thousand, nine hundred twenty-five".