2321530312025 has 12 divisors (see below), whose sum is σ = 2879174616492. Its totient is φ = 1856916488640.

The previous prime is 2321530312007. The next prime is 2321530312027. The reversal of 2321530312025 is 5202130351232.

It can be written as a sum of positive squares in 6 ways, for example, as 557021902921 + 1764508409104 = 746339^2 + 1328348^2 .

It is not a de Polignac number, because 2321530312025 - 2⁸ = 2321530311769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2321530312027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7540082 + ... + 7841931.

It is an arithmetic number, because the mean of its divisors is an integer number (239931218041).

Almost surely, 2^{2321530312025} is an apocalyptic number.

2321530312025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2321530312025 is a deficient number, since it is larger than the sum of its proper divisors (557644304467).

2321530312025 is a wasteful number, since it uses less digits than its factorization.

2321530312025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15388060 (or 15388055 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 2321530312025 its reverse (5202130351232), we get a palindrome (7523660663257).

The spelling of 2321530312025 in words is "two trillion, three hundred twenty-one billion, five hundred thirty million, three hundred twelve thousand, twenty-five".