25147488 has 96 divisors (see below), whose sum is σ = 73664640. Its totient is φ = 7464960.

The previous prime is 25147481. The next prime is 25147489. The reversal of 25147488 is 88474152.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25147481) 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, 30603 + ... + 31413.

It is an arithmetic number, because the mean of its divisors is an integer number (767340).

Almost surely, 2^25147488 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 25147488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36832320).

25147488 is an abundant number, since it is smaller than the sum of its proper divisors (48517152).

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

25147488 is a wasteful number, since it uses less digits than its factorization.

25147488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 852 counting only the distinct ones).

The product of its digits is 71680, while the sum is 39.

The square root of 25147488 is about 5014.7271112195. The cubic root of 25147488 is about 292.9756567893.

The spelling of 25147488 in words is "twenty-five million, one hundred forty-seven thousand, four hundred eighty-eight".