25323332201 has 2 divisors, whose sum is σ = 25323332202. Its totient is φ = 25323332200.

The previous prime is 25323332197. The next prime is 25323332219. The reversal of 25323332201 is 10223332352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20095897600 + 5227434601 = 141760^2 + 72301^2 .

It is a cyclic number.

It is not a de Polignac number, because 25323332201 - 2² = 25323332197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25323322201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12661666100 + 12661666101.

It is an arithmetic number, because the mean of its divisors is an integer number (12661666101).

Almost surely, 2^25323332201 is an apocalyptic number.

It is an amenable number.

25323332201 is a deficient number, since it is larger than the sum of its proper divisors (1).

25323332201 is an equidigital number, since it uses as much as digits as its factorization.

25323332201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 25323332201 its reverse (10223332352), we get a palindrome (35546664553).

The spelling of 25323332201 in words is "twenty-five billion, three hundred twenty-three million, three hundred thirty-two thousand, two hundred one".