25353648 has 60 divisors (see below), whose sum is σ = 73594248. Its totient is φ = 8449920.

The previous prime is 25353641. The next prime is 25353649. The reversal of 25353648 is 84635352.

It is a happy number.

25353648 is a `hidden beast` number, since 2 + 5 + 3 + 5 + 3 + 648 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (25353641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 628 + ... + 7148.

Almost surely, 2^25353648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25353648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36797124).

25353648 is an abundant number, since it is smaller than the sum of its proper divisors (48240600).

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

25353648 is an equidigital number, since it uses as much as digits as its factorization.

25353648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6544 (or 6526 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 25353648 is about 5035.2406099411. The cubic root of 25353648 is about 293.7740871753.

The spelling of 25353648 in words is "twenty-five million, three hundred fifty-three thousand, six hundred forty-eight".