25886442 has 16 divisors (see below), whose sum is σ = 51828192. Its totient is φ = 8619600.

The previous prime is 25886437. The next prime is 25886447. The reversal of 25886442 is 24468852.

It is an interprime number because it is at equal distance from previous prime (25886437) and next prime (25886447).

It is a self number, because there is not a number n which added to its sum of digits gives 25886442.

It is not an unprimeable number, because it can be changed into a prime (25886447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6192 + ... + 9492.

It is an arithmetic number, because the mean of its divisors is an integer number (3239262).

Almost surely, 2^25886442 is an apocalyptic number.

25886442 is an abundant number, since it is smaller than the sum of its proper divisors (25941750).

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

25886442 is a wasteful number, since it uses less digits than its factorization.

25886442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613.

The product of its digits is 122880, while the sum is 39.

The square root of 25886442 is about 5087.8720502780. The cubic root of 25886442 is about 295.8176759462.

The spelling of 25886442 in words is "twenty-five million, eight hundred eighty-six thousand, four hundred forty-two".