25812528127 has 2 divisors, whose sum is σ = 25812528128. Its totient is φ = 25812528126.

The previous prime is 25812528121. The next prime is 25812528151. The reversal of 25812528127 is 72182521852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25812528127 - 2²³ = 25804139519 is a prime.

It is a super-2 number, since 2×25812528127² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25812528121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12906264063 + 12906264064.

It is an arithmetic number, because the mean of its divisors is an integer number (12906264064).

Almost surely, 2^25812528127 is an apocalyptic number.

25812528127 is a deficient number, since it is larger than the sum of its proper divisors (1).

25812528127 is an equidigital number, since it uses as much as digits as its factorization.

25812528127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 179200, while the sum is 43.

The spelling of 25812528127 in words is "twenty-five billion, eight hundred twelve million, five hundred twenty-eight thousand, one hundred twenty-seven".