25993080 has 96 divisors (see below), whose sum is σ = 85419360. Its totient is φ = 6854400.

The previous prime is 25993067. The next prime is 25993087. The reversal of 25993080 is 8039952.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25993087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36730 + ... + 37430.

It is an arithmetic number, because the mean of its divisors is an integer number (889785).

Almost surely, 2^25993080 is an apocalyptic number.

25993080 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 25993080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42709680).

25993080 is an abundant number, since it is smaller than the sum of its proper divisors (59426280).

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

25993080 is a wasteful number, since it uses less digits than its factorization.

25993080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 25993080 is about 5098.3409066087. The cubic root of 25993080 is about 296.2233218512.

It can be divided in two parts, 259 and 93080, that added together give a palindrome (93339).

The spelling of 25993080 in words is "twenty-five million, nine hundred ninety-three thousand, eighty".