2802506832225 has 36 divisors (see below), whose sum is σ = 5020182324300. Its totient is φ = 1494497249280.

The previous prime is 2802506832221. The next prime is 2802506832271. The reversal of 2802506832225 is 5222386052082.

2802506832225 is a `hidden beast` number, since 28 + 0 + 2 + 506 + 83 + 22 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 225441687249 + 2577065144976 = 474807^2 + 1605324^2 .

It is not a de Polignac number, because 2802506832225 - 2² = 2802506832221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2802506832221) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 1238281 + ... + 2671769.

Almost surely, 2^{2802506832225} is an apocalyptic number.

2802506832225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2802506832225 is a deficient number, since it is larger than the sum of its proper divisors (2217675492075).

2802506832225 is a wasteful number, since it uses less digits than its factorization.

2802506832225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442194 (or 1442186 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 2802506832225 in words is "two trillion, eight hundred two billion, five hundred six million, eight hundred thirty-two thousand, two hundred twenty-five".