2530442125 has 16 divisors (see below), whose sum is σ = 3266892720. Its totient is φ = 1954545600.

The previous prime is 2530442093. The next prime is 2530442147. The reversal of 2530442125 is 5212440352.

It can be written as a sum of positive squares in 8 ways, for example, as 923795236 + 1606646889 = 30394^2 + 40083^2 .

It is not a de Polignac number, because 2530442125 - 2⁵ = 2530442093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2530442093 and 2530442102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345402 + ... + 352651.

It is an arithmetic number, because the mean of its divisors is an integer number (204180795).

Almost surely, 2^2530442125 is an apocalyptic number.

2530442125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2530442125 is a deficient number, since it is larger than the sum of its proper divisors (736450595).

2530442125 is an equidigital number, since it uses as much as digits as its factorization.

2530442125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698097 (or 698087 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2530442125 is about 50303.5001267307. The cubic root of 2530442125 is about 1362.6954409201.

Adding to 2530442125 its reverse (5212440352), we get a palindrome (7742882477).

The spelling of 2530442125 in words is "two billion, five hundred thirty million, four hundred forty-two thousand, one hundred twenty-five".