25797927 has 16 divisors (see below), whose sum is σ = 36506880. Its totient is φ = 16169472.

The previous prime is 25797923. The next prime is 25797929. The reversal of 25797927 is 72979752.

It is not a de Polignac number, because 25797927 - 2² = 25797923 is a prime.

It is a super-3 number, since 3×25797927³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25797923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903 + ... + 7239.

It is an arithmetic number, because the mean of its divisors is an integer number (2281680).

Almost surely, 2^25797927 is an apocalyptic number.

25797927 is a deficient number, since it is larger than the sum of its proper divisors (10708953).

25797927 is a wasteful number, since it uses less digits than its factorization.

25797927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6422.

The product of its digits is 555660, while the sum is 48.

The square root of 25797927 is about 5079.1659748427. The cubic root of 25797927 is about 295.4801221165.

The spelling of 25797927 in words is "twenty-five million, seven hundred ninety-seven thousand, nine hundred twenty-seven".