25132301321 has 2 divisors, whose sum is σ = 25132301322. Its totient is φ = 25132301320.

The previous prime is 25132301317. The next prime is 25132301329. The reversal of 25132301321 is 12310323152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21975097600 + 3157203721 = 148240^2 + 56189^2 .

It is a cyclic number.

It is not a de Polignac number, because 25132301321 - 2² = 25132301317 is a prime.

It is not a weakly prime, because it can be changed into another prime (25132301329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12566150660 + 12566150661.

It is an arithmetic number, because the mean of its divisors is an integer number (12566150661).

Almost surely, 2^25132301321 is an apocalyptic number.

It is an amenable number.

25132301321 is a deficient number, since it is larger than the sum of its proper divisors (1).

25132301321 is an equidigital number, since it uses as much as digits as its factorization.

25132301321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 25132301321 its reverse (12310323152), we get a palindrome (37442624473).

The spelling of 25132301321 in words is "twenty-five billion, one hundred thirty-two million, three hundred one thousand, three hundred twenty-one".