25009248 has 72 divisors (see below), whose sum is σ = 72193464. Its totient is φ = 7575040.

The previous prime is 25009241. The next prime is 25009249. The reversal of 25009248 is 84290052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25009241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10540 + ... + 12692.

It is an arithmetic number, because the mean of its divisors is an integer number (1002687).

Almost surely, 2^25009248 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 25009248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36096732).

25009248 is an abundant number, since it is smaller than the sum of its proper divisors (47184216).

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

25009248 is a wasteful number, since it uses less digits than its factorization.

25009248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 25009248 is about 5000.9247144903. The cubic root of 25009248 is about 292.4378244644.

The spelling of 25009248 in words is "twenty-five million, nine thousand, two hundred forty-eight".