2183820025 has 6 divisors (see below), whose sum is σ = 2707936862. Its totient is φ = 1747056000.

The previous prime is 2183820011. The next prime is 2183820029. The reversal of 2183820025 is 5200283812.

It can be written as a sum of positive squares in 3 ways, for example, as 380289001 + 1803531024 = 19501^2 + 42468^2 .

It is not a de Polignac number, because 2183820025 - 2⁵ = 2183819993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2183820029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43676376 + ... + 43676425.

Almost surely, 2^2183820025 is an apocalyptic number.

2183820025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2183820025 is a deficient number, since it is larger than the sum of its proper divisors (524116837).

2183820025 is an equidigital number, since it uses as much as digits as its factorization.

2183820025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87352811 (or 87352806 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 2183820025 is about 46731.3601877797. The cubic root of 2183820025 is about 1297.3951836109.

The spelling of 2183820025 in words is "two billion, one hundred eighty-three million, eight hundred twenty thousand, twenty-five".