25838026 has 4 divisors (see below), whose sum is σ = 38757042. Its totient is φ = 12919012.

The previous prime is 25838003. The next prime is 25838027. The reversal of 25838026 is 62083852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21150801 + 4687225 = 4599^2 + 2165^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25837982 and 25838000.

It is not an unprimeable number, because it can be changed into a prime (25838027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6459505 + ... + 6459508.

Almost surely, 2^25838026 is an apocalyptic number.

25838026 is a deficient number, since it is larger than the sum of its proper divisors (12919016).

25838026 is a wasteful number, since it uses less digits than its factorization.

25838026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12919015.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 25838026 is about 5083.1118421691. Note that the first 3 decimals coincide. The cubic root of 25838026 is about 295.6331360108.

It can be divided in two parts, 2583 and 8026, that added together give a square (10609 = 103²).

The spelling of 25838026 in words is "twenty-five million, eight hundred thirty-eight thousand, twenty-six".