25238286 has 12 divisors (see below), whose sum is σ = 54682992. Its totient is φ = 8412756.

The previous prime is 25238281. The next prime is 25238293. The reversal of 25238286 is 68283252.

It is a self number, because there is not a number n which added to its sum of digits gives 25238286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25238281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 701046 + ... + 701081.

It is an arithmetic number, because the mean of its divisors is an integer number (4556916).

Almost surely, 2^25238286 is an apocalyptic number.

25238286 is an abundant number, since it is smaller than the sum of its proper divisors (29444706).

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

25238286 is a wasteful number, since it uses less digits than its factorization.

25238286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402135 (or 1402132 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 25238286 is about 5023.7720887795. The cubic root of 25238286 is about 293.3278410932.

The spelling of 25238286 in words is "twenty-five million, two hundred thirty-eight thousand, two hundred eighty-six".