2280921525 has 30 divisors (see below), whose sum is σ = 4225058882. Its totient is φ = 1216490400.

The previous prime is 2280921521. The next prime is 2280921527. The reversal of 2280921525 is 5251290822.

It can be written as a sum of positive squares in 3 ways, for example, as 679801329 + 1601120196 = 26073^2 + 40014^2 .

It is not a de Polignac number, because 2280921525 - 2² = 2280921521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2280921525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280921521) 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 29 ways as a sum of consecutive naturals, for example, 561166 + ... + 565215.

Almost surely, 2^2280921525 is an apocalyptic number.

2280921525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2280921525 is a deficient number, since it is larger than the sum of its proper divisors (1944137357).

2280921525 is a wasteful number, since it uses less digits than its factorization.

2280921525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126403 (or 1126389 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 2280921525 is about 47758.9941791072. The cubic root of 2280921525 is about 1316.3461711697.

The spelling of 2280921525 in words is "two billion, two hundred eighty million, nine hundred twenty-one thousand, five hundred twenty-five".