2655856225 has 27 divisors (see below), whose sum is σ = 3623733561. Its totient is φ = 1929470400.

The previous prime is 2655856219. The next prime is 2655856249. The reversal of 2655856225 is 5226585562.

The square root of 2655856225 is 51535.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1091179089 + 1564677136 = 33033^2 + 39556^2 .

It is not a de Polignac number, because 2655856225 - 2¹³ = 2655848033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2833957 + ... + 2834893.

Almost surely, 2^2655856225 is an apocalyptic number.

2655856225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2655856225 is the 51535-th square number.

2655856225 is the 25768-th centered octagonal number.

It is an amenable number.

2655856225 is a deficient number, since it is larger than the sum of its proper divisors (967877336).

2655856225 is an frugal number, since it uses more digits than its factorization.

2655856225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906 (or 953 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 46.

The cubic root of 2655856225 is about 1384.8461253892.

The spelling of 2655856225 in words is "two billion, six hundred fifty-five million, eight hundred fifty-six thousand, two hundred twenty-five".