25420363127 has 2 divisors, whose sum is σ = 25420363128. Its totient is φ = 25420363126.

The previous prime is 25420363121. The next prime is 25420363151. The reversal of 25420363127 is 72136302452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25420363127 - 2¹⁰ = 25420362103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25420363121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12710181563 + 12710181564.

It is an arithmetic number, because the mean of its divisors is an integer number (12710181564).

Almost surely, 2^25420363127 is an apocalyptic number.

25420363127 is a deficient number, since it is larger than the sum of its proper divisors (1).

25420363127 is an equidigital number, since it uses as much as digits as its factorization.

25420363127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 35.

Adding to 25420363127 its reverse (72136302452), we get a palindrome (97556665579).

The spelling of 25420363127 in words is "twenty-five billion, four hundred twenty million, three hundred sixty-three thousand, one hundred twenty-seven".