25705936 has 20 divisors (see below), whose sum is σ = 52427200. Its totient is φ = 12176352.

The previous prime is 25705931. The next prime is 25705951. The reversal of 25705936 is 63950752.

It is a junction number, because it is equal to n+sod(n) for n = 25705895 and 25705904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25705931) 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, 41976 + ... + 42583.

It is an arithmetic number, because the mean of its divisors is an integer number (2621360).

Almost surely, 2^25705936 is an apocalyptic number.

It is an amenable number.

25705936 is an abundant number, since it is smaller than the sum of its proper divisors (26721264).

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

25705936 is a wasteful number, since it uses less digits than its factorization.

25705936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84586 (or 84580 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 25705936 is about 5070.1021685958. The cubic root of 25705936 is about 295.1284932914.

The spelling of 25705936 in words is "twenty-five million, seven hundred five thousand, nine hundred thirty-six".