25852728 has 32 divisors (see below), whose sum is σ = 70508160. Its totient is φ = 7834080.

The previous prime is 25852693. The next prime is 25852747. The reversal of 25852728 is 82725852.

It is a happy number.

It is a congruent number.

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, 48700 + ... + 49227.

It is an arithmetic number, because the mean of its divisors is an integer number (2203380).

Almost surely, 2^25852728 is an apocalyptic number.

It is an amenable number.

25852728 is an abundant number, since it is smaller than the sum of its proper divisors (44655432).

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

25852728 is a wasteful number, since it uses less digits than its factorization.

25852728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97947 (or 97943 counting only the distinct ones).

The product of its digits is 89600, while the sum is 39.

The square root of 25852728 is about 5084.5577978817. The cubic root of 25852728 is about 295.6891977529.

The spelling of 25852728 in words is "twenty-five million, eight hundred fifty-two thousand, seven hundred twenty-eight".