25330132237 has 2 divisors, whose sum is σ = 25330132238. Its totient is φ = 25330132236.

The previous prime is 25330132211. The next prime is 25330132241. The reversal of 25330132237 is 73223103352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23855111401 + 1475020836 = 154451^2 + 38406^2 .

It is a cyclic number.

It is not a de Polignac number, because 25330132237 - 2⁷ = 25330132109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25330132199 and 25330132208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25330132637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12665066118 + 12665066119.

It is an arithmetic number, because the mean of its divisors is an integer number (12665066119).

Almost surely, 2^25330132237 is an apocalyptic number.

It is an amenable number.

25330132237 is a deficient number, since it is larger than the sum of its proper divisors (1).

25330132237 is an equidigital number, since it uses as much as digits as its factorization.

25330132237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 31.

Adding to 25330132237 its reverse (73223103352), we get a palindrome (98553235589).

The spelling of 25330132237 in words is "twenty-five billion, three hundred thirty million, one hundred thirty-two thousand, two hundred thirty-seven".