2805248525 has 48 divisors (see below), whose sum is σ = 3620601600. Its totient is φ = 2155196160.

The previous prime is 2805248519. The next prime is 2805248549. The reversal of 2805248525 is 5258425082.

It is not a de Polignac number, because 2805248525 - 2¹⁸ = 2804986381 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17867747 + ... + 17867903.

It is an arithmetic number, because the mean of its divisors is an integer number (75429200).

Almost surely, 2^2805248525 is an apocalyptic number.

2805248525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2805248525 is a deficient number, since it is larger than the sum of its proper divisors (815353075).

2805248525 is a wasteful number, since it uses less digits than its factorization.

2805248525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 41.

The square root of 2805248525 is about 52964.5969020817. The cubic root of 2805248525 is about 1410.3398615715.

The spelling of 2805248525 in words is "two billion, eight hundred five million, two hundred forty-eight thousand, five hundred twenty-five".