2130442025 has 6 divisors (see below), whose sum is σ = 2641748142. Its totient is φ = 1704353600.

The previous prime is 2130442021. The next prime is 2130442037. The reversal of 2130442025 is 5202440312.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 20693401 + 2109748624 = 4549^2 + 45932^2 .

It is not a de Polignac number, because 2130442025 - 2² = 2130442021 is a prime.

It is a super-2 number, since 2×2130442025² = 9077566443772201250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130442021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42608816 + ... + 42608865.

It is an arithmetic number, because the mean of its divisors is an integer number (440291357).

Almost surely, 2^2130442025 is an apocalyptic number.

2130442025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2130442025 is a deficient number, since it is larger than the sum of its proper divisors (511306117).

2130442025 is an equidigital number, since it uses as much as digits as its factorization.

2130442025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85217691 (or 85217686 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2130442025 is about 46156.7115921401. The cubic root of 2130442025 is about 1286.7373483130.

Adding to 2130442025 its reverse (5202440312), we get a palindrome (7332882337).

The spelling of 2130442025 in words is "two billion, one hundred thirty million, four hundred forty-two thousand, twenty-five".