25324425601 has 2 divisors, whose sum is σ = 25324425602. Its totient is φ = 25324425600.

The previous prime is 25324425583. The next prime is 25324425613. The reversal of 25324425601 is 10652442352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18137624976 + 7186800625 = 134676^2 + 84775^2 .

It is a cyclic number.

It is not a de Polignac number, because 25324425601 - 2⁹ = 25324425089 is a prime.

It is a super-2 number, since 2×25324425601² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25324425661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12662212800 + 12662212801.

It is an arithmetic number, because the mean of its divisors is an integer number (12662212801).

Almost surely, 2^25324425601 is an apocalyptic number.

It is an amenable number.

25324425601 is a deficient number, since it is larger than the sum of its proper divisors (1).

25324425601 is an equidigital number, since it uses as much as digits as its factorization.

25324425601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 25324425601 its reverse (10652442352), we get a palindrome (35976867953).

The spelling of 25324425601 in words is "twenty-five billion, three hundred twenty-four million, four hundred twenty-five thousand, six hundred one".