25985386 has 12 divisors (see below), whose sum is σ = 45342018. Its totient is φ = 11136552.

The previous prime is 25985357. The next prime is 25985411. The reversal of 25985386 is 68358952.

It can be written as a sum of positive squares in only one way, i.e., 14554225 + 11431161 = 3815^2 + 3381^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132481 + ... + 132676.

Almost surely, 2^25985386 is an apocalyptic number.

25985386 is a deficient number, since it is larger than the sum of its proper divisors (19356632).

25985386 is a wasteful number, since it uses less digits than its factorization.

25985386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265173 (or 265166 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The square root of 25985386 is about 5097.5862915698. The cubic root of 25985386 is about 296.1940914156.

It can be divided in two parts, 2598538 and 6, that added together give a square (2598544 = 1612²).

The spelling of 25985386 in words is "twenty-five million, nine hundred eighty-five thousand, three hundred eighty-six".