25020528 has 80 divisors (see below), whose sum is σ = 70474656. Its totient is φ = 7603200.

The previous prime is 25020517. The next prime is 25020529. The reversal of 25020528 is 82502052.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 25020498 and 25020507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25020529) 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 15 ways as a sum of consecutive naturals, for example, 62826 + ... + 63222.

Almost surely, 2^25020528 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 25020528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35237328).

25020528 is an abundant number, since it is smaller than the sum of its proper divisors (45454128).

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

25020528 is a wasteful number, since it uses less digits than its factorization.

25020528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 25020528 is about 5002.0523787741. The cubic root of 25020528 is about 292.4817842407.

The spelling of 25020528 in words is "twenty-five million, twenty thousand, five hundred twenty-eight".