2256725 has 12 divisors (see below), whose sum is σ = 2946240. Its totient is φ = 1710000.

The previous prime is 2256721. The next prime is 2256731. The reversal of 2256725 is 5276522.

It is not a de Polignac number, because 2256725 - 2² = 2256721 is a prime.

It is a d-powerful number, because it can be written as 2⁶ + 2¹⁶ + 5⁶ + 6³ + 7 + 2²¹ + 5⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256721) 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, 1901 + ... + 2850.

It is an arithmetic number, because the mean of its divisors is an integer number (245520).

2^2256725 is an apocalyptic number.

2256725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2256725 is a deficient number, since it is larger than the sum of its proper divisors (689515).

2256725 is a wasteful number, since it uses less digits than its factorization.

2256725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780 (or 4775 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 2256725 is about 1502.2399941421. The cubic root of 2256725 is about 131.1674916050.

The spelling of 2256725 in words is "two million, two hundred fifty-six thousand, seven hundred twenty-five".