25996436 has 12 divisors (see below), whose sum is σ = 45605280. Its totient is φ = 12966360.

The previous prime is 25996433. The next prime is 25996457. The reversal of 25996436 is 63469952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25996433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6080 + ... + 9431.

It is an arithmetic number, because the mean of its divisors is an integer number (3800440).

Almost surely, 2^25996436 is an apocalyptic number.

It is an amenable number.

25996436 is a deficient number, since it is larger than the sum of its proper divisors (19608844).

25996436 is a wasteful number, since it uses less digits than its factorization.

25996436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15934 (or 15932 counting only the distinct ones).

The product of its digits is 349920, while the sum is 44.

The square root of 25996436 is about 5098.6700226628. The cubic root of 25996436 is about 296.2360698940.

The spelling of 25996436 in words is "twenty-five million, nine hundred ninety-six thousand, four hundred thirty-six".