25528248 has 48 divisors (see below), whose sum is σ = 72781800. Its totient is φ = 8061120.

The previous prime is 25528247. The next prime is 25528249. The reversal of 25528248 is 84282552.

It is an interprime number because it is at equal distance from previous prime (25528247) and next prime (25528249).

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 (25528247) 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, 7963 + ... + 10698.

Almost surely, 2^25528248 is an apocalyptic number.

It is an amenable number.

25528248 is an abundant number, since it is smaller than the sum of its proper divisors (47253552).

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

25528248 is a wasteful number, since it uses less digits than its factorization.

25528248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18692 (or 18685 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 25528248 is about 5052.5486637934. The cubic root of 25528248 is about 294.4469115836.

The spelling of 25528248 in words is "twenty-five million, five hundred twenty-eight thousand, two hundred forty-eight".