25803960 has 256 divisors, whose sum is σ = 101606400. Its totient is φ = 5087232.

The previous prime is 25803959. The next prime is 25803983. The reversal of 25803960 is 6930852.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 185571 + ... + 185709.

It is an arithmetic number, because the mean of its divisors is an integer number (396900).

Almost surely, 2^25803960 is an apocalyptic number.

25803960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25803960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50803200).

25803960 is an abundant number, since it is smaller than the sum of its proper divisors (75802440).

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

25803960 is a wasteful number, since it uses less digits than its factorization.

25803960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 25803960 is about 5079.7598368427. The cubic root of 25803960 is about 295.5031535876.

The spelling of 25803960 in words is "twenty-five million, eight hundred three thousand, nine hundred sixty".