25126528 has 64 divisors (see below), whose sum is σ = 59241600. Its totient is φ = 10386432.

The previous prime is 25126457. The next prime is 25126537. The reversal of 25126528 is 82562152.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 25126528.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25501 + ... + 26467.

It is an arithmetic number, because the mean of its divisors is an integer number (925650).

Almost surely, 2^25126528 is an apocalyptic number.

25126528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25126528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29620800).

25126528 is an abundant number, since it is smaller than the sum of its proper divisors (34115072).

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

25126528 is an equidigital number, since it uses as much as digits as its factorization.

25126528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017 (or 1005 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 25126528 is about 5012.6368310501. The cubic root of 25126528 is about 292.8942374360.

The spelling of 25126528 in words is "twenty-five million, one hundred twenty-six thousand, five hundred twenty-eight".