25881063 has 16 divisors (see below), whose sum is σ = 38363136. Its totient is φ = 15412320.

The previous prime is 25881061. The next prime is 25881077. The reversal of 25881063 is 36018852.

It is a happy number.

It is not a de Polignac number, because 25881063 - 2¹ = 25881061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25881061) 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, 9495 + ... + 11912.

It is an arithmetic number, because the mean of its divisors is an integer number (2397696).

Almost surely, 2^25881063 is an apocalyptic number.

25881063 is a deficient number, since it is larger than the sum of its proper divisors (12482073).

25881063 is a wasteful number, since it uses less digits than its factorization.

25881063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21454.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 25881063 is about 5087.3434128236. The cubic root of 25881063 is about 295.7971849944.

The spelling of 25881063 in words is "twenty-five million, eight hundred eighty-one thousand, sixty-three".