25338528 has 48 divisors (see below), whose sum is σ = 73906560. Its totient is φ = 8445888.

The previous prime is 25338527. The next prime is 25338569. The reversal of 25338528 is 82583352.

25338528 is a `hidden beast` number, since 253 + 385 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a junction number, because it is equal to n+sod(n) for n = 25338492 and 25338501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25338527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13800 + ... + 15527.

It is an arithmetic number, because the mean of its divisors is an integer number (1539720).

Almost surely, 2^25338528 is an apocalyptic number.

It is an amenable number.

25338528 is an abundant number, since it is smaller than the sum of its proper divisors (48568032).

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

25338528 is a wasteful number, since it uses less digits than its factorization.

25338528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29346 (or 29332 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 25338528 is about 5033.7389682025. The cubic root of 25338528 is about 293.7156768106.

It can be divided in two parts, 253 and 38528, that added together give a triangular number (38781 = T₂₇₈).

The spelling of 25338528 in words is "twenty-five million, three hundred thirty-eight thousand, five hundred twenty-eight".