25573248 has 96 divisors (see below), whose sum is σ = 74786400. Its totient is φ = 8386560.

The previous prime is 25573243. The next prime is 25573271. The reversal of 25573248 is 84237552.

It is a Cunningham number, because it is equal to 5057²-1.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25573241) 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, 90868 + ... + 91148.

It is an arithmetic number, because the mean of its divisors is an integer number (779025).

Almost surely, 2^25573248 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 25573248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37393200).

25573248 is an abundant number, since it is smaller than the sum of its proper divisors (49213152).

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

25573248 is a wasteful number, since it uses less digits than its factorization.

25573248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 365 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 25573248 is about 5056.9999011271. Note that the first 4 decimals coincide. The cubic root of 25573248 is about 294.6198224322.

The spelling of 25573248 in words is "twenty-five million, five hundred seventy-three thousand, two hundred forty-eight".