25230800489 has 2 divisors, whose sum is σ = 25230800490. Its totient is φ = 25230800488.

The previous prime is 25230800447. The next prime is 25230800513. The reversal of 25230800489 is 98400803252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20223115264 + 5007685225 = 142208^2 + 70765^2 .

It is a cyclic number.

It is not a de Polignac number, because 25230800489 - 2²⁴ = 25214023273 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 (25230800689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12615400244 + 12615400245.

It is an arithmetic number, because the mean of its divisors is an integer number (12615400245).

Almost surely, 2^25230800489 is an apocalyptic number.

It is an amenable number.

25230800489 is a deficient number, since it is larger than the sum of its proper divisors (1).

25230800489 is an equidigital number, since it uses as much as digits as its factorization.

25230800489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 25230800489 in words is "twenty-five billion, two hundred thirty million, eight hundred thousand, four hundred eighty-nine".