25797127 has 2 divisors, whose sum is σ = 25797128. Its totient is φ = 25797126.

The previous prime is 25797113. The next prime is 25797131. The reversal of 25797127 is 72179752.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25797127 - 2⁷ = 25796999 is a prime.

It is a super-2 number, since 2×25797127² = 1330983522908258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25797127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25797137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12898563 + 12898564.

It is an arithmetic number, because the mean of its divisors is an integer number (12898564).

Almost surely, 2^25797127 is an apocalyptic number.

25797127 is a deficient number, since it is larger than the sum of its proper divisors (1).

25797127 is an equidigital number, since it uses as much as digits as its factorization.

25797127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61740, while the sum is 40.

The square root of 25797127 is about 5079.0872211452. The cubic root of 25797127 is about 295.4770677814.

The spelling of 25797127 in words is "twenty-five million, seven hundred ninety-seven thousand, one hundred twenty-seven".