2013280925 has 12 divisors (see below), whose sum is σ = 2497025076. Its totient is φ = 1610265600.

The previous prime is 2013280921. The next prime is 2013280931. The reversal of 2013280925 is 5290823102.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3193369 + 2010087556 = 1787^2 + 44834^2 .

It is not a de Polignac number, because 2013280925 - 2² = 2013280921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2013280891 and 2013280900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013280921) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 212285 + ... + 221565.

It is an arithmetic number, because the mean of its divisors is an integer number (208085423).

Almost surely, 2^2013280925 is an apocalyptic number.

2013280925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2013280925 is a deficient number, since it is larger than the sum of its proper divisors (483744151).

2013280925 is an equidigital number, since it uses as much as digits as its factorization.

2013280925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17968 (or 17963 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2013280925 is about 44869.5991178883. The cubic root of 2013280925 is about 1262.7037190455.

The spelling of 2013280925 in words is "two billion, thirteen million, two hundred eighty thousand, nine hundred twenty-five".