25630933241 has 2 divisors, whose sum is σ = 25630933242. Its totient is φ = 25630933240.

The previous prime is 25630933219. The next prime is 25630933277. The reversal of 25630933241 is 14233903652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13783699216 + 11847234025 = 117404^2 + 108845^2 .

It is a cyclic number.

It is not a de Polignac number, because 25630933241 - 2³⁴ = 8451064057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25630933195 and 25630933204.

It is not a weakly prime, because it can be changed into another prime (25630933841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12815466620 + 12815466621.

It is an arithmetic number, because the mean of its divisors is an integer number (12815466621).

Almost surely, 2^25630933241 is an apocalyptic number.

It is an amenable number.

25630933241 is a deficient number, since it is larger than the sum of its proper divisors (1).

25630933241 is an equidigital number, since it uses as much as digits as its factorization.

25630933241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 25630933241 in words is "twenty-five billion, six hundred thirty million, nine hundred thirty-three thousand, two hundred forty-one".