25530080 has 24 divisors (see below), whose sum is σ = 60315192. Its totient is φ = 10211968.

The previous prime is 25530061. The next prime is 25530083. The reversal of 25530080 is 8003552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25530083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79622 + ... + 79941.

It is an arithmetic number, because the mean of its divisors is an integer number (2513133).

Almost surely, 2^25530080 is an apocalyptic number.

25530080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25530080 is an abundant number, since it is smaller than the sum of its proper divisors (34785112).

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

25530080 is a wasteful number, since it uses less digits than its factorization.

25530080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159578 (or 159570 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 25530080 is about 5052.7299551826. The cubic root of 25530080 is about 294.4539549425.

The spelling of 25530080 in words is "twenty-five million, five hundred thirty thousand, eighty".