25230260641 has 2 divisors, whose sum is σ = 25230260642. Its totient is φ = 25230260640.

The previous prime is 25230260617. The next prime is 25230260701. The reversal of 25230260641 is 14606203252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25002250641 + 228010000 = 158121^2 + 15100^2 .

It is a cyclic number.

It is not a de Polignac number, because 25230260641 - 2¹⁷ = 25230129569 is a prime.

It is not a weakly prime, because it can be changed into another prime (25230260441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12615130320 + 12615130321.

It is an arithmetic number, because the mean of its divisors is an integer number (12615130321).

Almost surely, 2^25230260641 is an apocalyptic number.

It is an amenable number.

25230260641 is a deficient number, since it is larger than the sum of its proper divisors (1).

25230260641 is an equidigital number, since it uses as much as digits as its factorization.

25230260641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 25230260641 its reverse (14606203252), we get a palindrome (39836463893).

The spelling of 25230260641 in words is "twenty-five billion, two hundred thirty million, two hundred sixty thousand, six hundred forty-one".