25761255 has 16 divisors (see below), whose sum is σ = 44388960. Its totient is φ = 12682368.

The previous prime is 25761247. The next prime is 25761259. The reversal of 25761255 is 55216752.

It is not a de Polignac number, because 25761255 - 2³ = 25761247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25761259) 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 in 15 ways as a sum of consecutive naturals, for example, 65860 + ... + 66249.

It is an arithmetic number, because the mean of its divisors is an integer number (2774310).

Almost surely, 2^25761255 is an apocalyptic number.

25761255 is a deficient number, since it is larger than the sum of its proper divisors (18627705).

25761255 is a wasteful number, since it uses less digits than its factorization.

25761255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132130.

The product of its digits is 21000, while the sum is 33.

The square root of 25761255 is about 5075.5546494940. The cubic root of 25761255 is about 295.3400464492.

The spelling of 25761255 in words is "twenty-five million, seven hundred sixty-one thousand, two hundred fifty-five".