25498368 has 288 divisors, whose sum is σ = 94187520. Its totient is φ = 6635520.

The previous prime is 25498367. The next prime is 25498379. The reversal of 25498368 is 86389452.

It is a tau number, because it is divible by the number of its divisors (288).

Its product of digits (414720) is a multiple of the sum of its prime divisors (60).

It is not an unprimeable number, because it can be changed into a prime (25498367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 822513 + ... + 822543.

It is an arithmetic number, because the mean of its divisors is an integer number (327040).

Almost surely, 2^25498368 is an apocalyptic number.

25498368 is a gapful number since it is divisible by the number (28) 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 25498368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47093760).

25498368 is an abundant number, since it is smaller than the sum of its proper divisors (68689152).

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

25498368 is a wasteful number, since it uses less digits than its factorization.

25498368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 60 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 25498368 is about 5049.5908745165. The cubic root of 25498368 is about 294.3319864939.

The spelling of 25498368 in words is "twenty-five million, four hundred ninety-eight thousand, three hundred sixty-eight".