2646752225 has 12 divisors (see below), whose sum is σ = 3534432636. Its totient is φ = 1954524480.

The previous prime is 2646752197. The next prime is 2646752239. The reversal of 2646752225 is 5222576462.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 108910096 + 2537842129 = 10436^2 + 50377^2 .

It is not a de Polignac number, because 2646752225 - 2⁶ = 2646752161 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4071602 + ... + 4072251.

It is an arithmetic number, because the mean of its divisors is an integer number (294536053).

Almost surely, 2^2646752225 is an apocalyptic number.

2646752225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2646752225 is a deficient number, since it is larger than the sum of its proper divisors (887680411).

2646752225 is a wasteful number, since it uses less digits than its factorization.

2646752225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8143876 (or 8143871 counting only the distinct ones).

The product of its digits is 403200, while the sum is 41.

The square root of 2646752225 is about 51446.5958543420. The cubic root of 2646752225 is about 1383.2619441877.

The spelling of 2646752225 in words is "two billion, six hundred forty-six million, seven hundred fifty-two thousand, two hundred twenty-five".