25832638 has 16 divisors (see below), whose sum is σ = 41884416. Its totient is φ = 11878560.

The previous prime is 25832629. The next prime is 25832663. The reversal of 25832638 is 83623852.

It is a junction number, because it is equal to n+sod(n) for n = 25832597 and 25832606.

It is a congruent number.

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, 5923 + ... + 9313.

It is an arithmetic number, because the mean of its divisors is an integer number (2617776).

Almost surely, 2^25832638 is an apocalyptic number.

25832638 is a deficient number, since it is larger than the sum of its proper divisors (16051778).

25832638 is a wasteful number, since it uses less digits than its factorization.

25832638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699.

The product of its digits is 69120, while the sum is 37.

The square root of 25832638 is about 5082.5818242307. The cubic root of 25832638 is about 295.6125851366.

It can be divided in two parts, 258 and 32638, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 25832638 in words is "twenty-five million, eight hundred thirty-two thousand, six hundred thirty-eight".