25975127 has 2 divisors, whose sum is σ = 25975128. Its totient is φ = 25975126.

The previous prime is 25975123. The next prime is 25975151. The reversal of 25975127 is 72157952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25975127 - 2² = 25975123 is a prime.

It is a super-4 number, since 4×25975127⁴ (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25975123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12987563 + 12987564.

It is an arithmetic number, because the mean of its divisors is an integer number (12987564).

Almost surely, 2^25975127 is an apocalyptic number.

25975127 is a deficient number, since it is larger than the sum of its proper divisors (1).

25975127 is an equidigital number, since it uses as much as digits as its factorization.

25975127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44100, while the sum is 38.

The square root of 25975127 is about 5096.5799316797. The cubic root of 25975127 is about 296.1551072579.

The spelling of 25975127 in words is "twenty-five million, nine hundred seventy-five thousand, one hundred twenty-seven".