25738842 has 16 divisors (see below), whose sum is σ = 51549120. Its totient is φ = 8567712.

The previous prime is 25738837. The next prime is 25738847. The reversal of 25738842 is 24883752.

It is an interprime number because it is at equal distance from previous prime (25738837) and next prime (25738847).

It is a self number, because there is not a number n which added to its sum of digits gives 25738842.

It is not an unprimeable number, because it can be changed into a prime (25738847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2478 + ... + 7590.

It is an arithmetic number, because the mean of its divisors is an integer number (3221820).

Almost surely, 2^25738842 is an apocalyptic number.

25738842 is an abundant number, since it is smaller than the sum of its proper divisors (25810278).

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

25738842 is a wasteful number, since it uses less digits than its factorization.

25738842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5957.

The product of its digits is 107520, while the sum is 39.

The square root of 25738842 is about 5073.3462330103. The cubic root of 25738842 is about 295.2543702779.

The spelling of 25738842 in words is "twenty-five million, seven hundred thirty-eight thousand, eight hundred forty-two".