25969488 has 40 divisors (see below), whose sum is σ = 67852800. Its totient is φ = 8557824.

The previous prime is 25969487. The next prime is 25969543. The reversal of 25969488 is 88496952.

It is a self number, because there is not a number n which added to its sum of digits gives 25969488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25969487) 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, 1233 + ... + 7311.

It is an arithmetic number, because the mean of its divisors is an integer number (1696320).

Almost surely, 2^25969488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25969488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33926400).

25969488 is an abundant number, since it is smaller than the sum of its proper divisors (41883312).

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

25969488 is a wasteful number, since it uses less digits than its factorization.

25969488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6179 (or 6173 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 25969488 is about 5096.0266875282. The cubic root of 25969488 is about 296.1336747094.

The spelling of 25969488 in words is "twenty-five million, nine hundred sixty-nine thousand, four hundred eighty-eight".