2785273025 has 24 divisors (see below), whose sum is σ = 3511884600. Its totient is φ = 2190896640.

The previous prime is 2785272983. The next prime is 2785273031. The reversal of 2785273025 is 5203725872.

It can be written as a sum of positive squares in 12 ways, for example, as 312299584 + 2472973441 = 17672^2 + 49729^2 .

It is not a de Polignac number, because 2785273025 - 2⁶ = 2785272961 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634739 + ... + 639111.

It is an arithmetic number, because the mean of its divisors is an integer number (146328525).

Almost surely, 2^2785273025 is an apocalyptic number.

2785273025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2785273025 is a deficient number, since it is larger than the sum of its proper divisors (726611575).

2785273025 is a wasteful number, since it uses less digits than its factorization.

2785273025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4805 (or 4800 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 2785273025 is about 52775.6859263809. The cubic root of 2785273025 is about 1406.9843206148.

Adding to 2785273025 its reverse (5203725872), we get a palindrome (7988998897).

The spelling of 2785273025 in words is "two billion, seven hundred eighty-five million, two hundred seventy-three thousand, twenty-five".