25332026321 has 12 divisors (see below), whose sum is σ = 30484002420. Its totient is φ = 20964434400.

The previous prime is 25332026311. The next prime is 25332026323. The reversal of 25332026321 is 12362023352.

It can be written as a sum of positive squares in 2 ways, for example, as 4026537025 + 21305489296 = 63455^2 + 145964^2 .

It is not a de Polignac number, because 25332026321 - 2⁶ = 25332026257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25332026323) 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, 8912030 + ... + 8914871.

It is an arithmetic number, because the mean of its divisors is an integer number (2540333535).

Almost surely, 2^25332026321 is an apocalyptic number.

It is an amenable number.

25332026321 is a deficient number, since it is larger than the sum of its proper divisors (5151976099).

25332026321 is a wasteful number, since it uses less digits than its factorization.

25332026321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17826944 (or 17826937 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 25332026321 its reverse (12362023352), we get a palindrome (37694049673).

The spelling of 25332026321 in words is "twenty-five billion, three hundred thirty-two million, twenty-six thousand, three hundred twenty-one".