25854920 has 64 divisors (see below), whose sum is σ = 71608320. Its totient is φ = 8181504.

The previous prime is 25854901. The next prime is 25854923. The reversal of 25854920 is 2945852.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (25854923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89 + ... + 7191.

It is an arithmetic number, because the mean of its divisors is an integer number (1118880).

Almost surely, 2^25854920 is an apocalyptic number.

25854920 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 25854920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35804160).

25854920 is an abundant number, since it is smaller than the sum of its proper divisors (45753400).

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

25854920 is a wasteful number, since it uses less digits than its factorization.

25854920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134 (or 7130 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 25854920 is about 5084.7733479478. The cubic root of 25854920 is about 295.6975544778.

The spelling of 25854920 in words is "twenty-five million, eight hundred fifty-four thousand, nine hundred twenty".