2756225 has 12 divisors (see below), whose sum is σ = 3502380. Its totient is φ = 2150400.

The previous prime is 2756219. The next prime is 2756249. The reversal of 2756225 is 5226572.

It can be written as a sum of positive squares in 6 ways, for example, as 1201216 + 1555009 = 1096^2 + 1247^2 .

It is not a de Polignac number, because 2756225 - 2⁶ = 2756161 is a prime.

It is a d-powerful number, because it can be written as 2¹² + 7⁶ + 5⁶ + 6 + 2¹⁷ + 2²¹ + 5⁸ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320 + ... + 2369.

It is an arithmetic number, because the mean of its divisors is an integer number (291865).

2^2756225 is an apocalyptic number.

2756225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2756225 is a deficient number, since it is larger than the sum of its proper divisors (746155).

2756225 is a wasteful number, since it uses less digits than its factorization.

2756225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740 (or 2735 counting only the distinct ones).

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

The square root of 2756225 is about 1660.1882423388. The cubic root of 2756225 is about 140.2076001695.

The spelling of 2756225 in words is "two million, seven hundred fifty-six thousand, two hundred twenty-five".