25205248 has 40 divisors (see below), whose sum is σ = 53032320. Its totient is φ = 11934720.

The previous prime is 25205239. The next prime is 25205281. The reversal of 25205248 is 84250252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8433 + ... + 11023.

It is an arithmetic number, because the mean of its divisors is an integer number (1325808).

Almost surely, 2^25205248 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 25205248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26516160).

25205248 is an abundant number, since it is smaller than the sum of its proper divisors (27827072).

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

25205248 is an equidigital number, since it uses as much as digits as its factorization.

25205248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628 (or 2612 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 25205248 is about 5020.4828453048. The cubic root of 25205248 is about 293.1997922904.

The spelling of 25205248 in words is "twenty-five million, two hundred five thousand, two hundred forty-eight".