25943136 has 24 divisors (see below), whose sum is σ = 68100984. Its totient is φ = 8647680.

The previous prime is 25943131. The next prime is 25943143. The reversal of 25943136 is 63134952.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 25943097 and 25943106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25943131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135025 + ... + 135216.

It is an arithmetic number, because the mean of its divisors is an integer number (2837541).

Almost surely, 2^25943136 is an apocalyptic number.

It is an amenable number.

25943136 is an abundant number, since it is smaller than the sum of its proper divisors (42157848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25943136 is a wasteful number, since it uses less digits than its factorization.

25943136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270254 (or 270246 counting only the distinct ones).

The product of its digits is 19440, while the sum is 33.

The square root of 25943136 is about 5093.4404875290. The cubic root of 25943136 is about 296.0334756394.

The spelling of 25943136 in words is "twenty-five million, nine hundred forty-three thousand, one hundred thirty-six".