25728548 has 12 divisors (see below), whose sum is σ = 47673612. Its totient is φ = 12107520.

The previous prime is 25728541. The next prime is 25728553. The reversal of 25728548 is 84582752.

It can be written as a sum of positive squares in 2 ways, for example, as 19784704 + 5943844 = 4448^2 + 2438^2 .

It is not an unprimeable number, because it can be changed into a prime (25728541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189113 + ... + 189248.

It is an arithmetic number, because the mean of its divisors is an integer number (3972801).

Almost surely, 2^25728548 is an apocalyptic number.

It is an amenable number.

25728548 is a deficient number, since it is larger than the sum of its proper divisors (21945064).

25728548 is a wasteful number, since it uses less digits than its factorization.

25728548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378382 (or 378380 counting only the distinct ones).

The product of its digits is 179200, while the sum is 41.

The square root of 25728548 is about 5072.3316137650. The cubic root of 25728548 is about 295.2150036562.

The spelling of 25728548 in words is "twenty-five million, seven hundred twenty-eight thousand, five hundred forty-eight".