25881482 has 16 divisors (see below), whose sum is σ = 42511392. Its totient is φ = 11719920.

The previous prime is 25881469. The next prime is 25881517. The reversal of 25881482 is 28418852.

It is a super-2 number, since 2×25881482² = 1339702221032648, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4148 + ... + 8304.

It is an arithmetic number, because the mean of its divisors is an integer number (2656962).

Almost surely, 2^25881482 is an apocalyptic number.

25881482 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25881482 is a deficient number, since it is larger than the sum of its proper divisors (16629910).

25881482 is a wasteful number, since it uses less digits than its factorization.

25881482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453.

The product of its digits is 40960, while the sum is 38.

The square root of 25881482 is about 5087.3845932856. The cubic root of 25881482 is about 295.7987812497.

The spelling of 25881482 in words is "twenty-five million, eight hundred eighty-one thousand, four hundred eighty-two".