10305321025 has 12 divisors (see below), whose sum is σ = 12824738812. Its totient is φ = 8214488640.

The previous prime is 10305320957. The next prime is 10305321043. The reversal of 10305321025 is 52012350301.

It can be written as a sum of positive squares in 6 ways, for example, as 891858496 + 9413462529 = 29864^2 + 97023^2 .

It is not a de Polignac number, because 10305321025 - 2²¹ = 10303223873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10305320987 and 10305321005.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 737142 + ... + 750991.

Almost surely, 2^10305321025 is an apocalyptic number.

It is an amenable number.

10305321025 is a deficient number, since it is larger than the sum of its proper divisors (2519417787).

10305321025 is a wasteful number, since it uses less digits than its factorization.

10305321025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488420 (or 1488415 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 10305321025 its reverse (52012350301), we get a palindrome (62317671326).

The spelling of 10305321025 in words is "ten billion, three hundred five million, three hundred twenty-one thousand, twenty-five".