25880500 has 48 divisors (see below), whose sum is σ = 57028608. Its totient is φ = 10260000.

The previous prime is 25880461. The next prime is 25880509. The reversal of 25880500 is 508852.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25880509) 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, 95365 + ... + 95635.

It is an arithmetic number, because the mean of its divisors is an integer number (1188096).

Almost surely, 2^25880500 is an apocalyptic number.

25880500 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 25880500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28514304).

25880500 is an abundant number, since it is smaller than the sum of its proper divisors (31148108).

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

25880500 is a wasteful number, since it uses less digits than its factorization.

25880500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 25880500 is about 5087.2880791243. The cubic root of 25880500 is about 295.7950401183.

The spelling of 25880500 in words is "twenty-five million, eight hundred eighty thousand, five hundred".