25573628 has 12 divisors (see below), whose sum is σ = 45293640. Its totient is φ = 12632592.

The previous prime is 25573619. The next prime is 25573633. The reversal of 25573628 is 82637552.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 25573591 and 25573600.

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 3 ways as a sum of consecutive naturals, for example, 38183 + ... + 38846.

It is an arithmetic number, because the mean of its divisors is an integer number (3774470).

Almost surely, 2^25573628 is an apocalyptic number.

It is an amenable number.

25573628 is a deficient number, since it is larger than the sum of its proper divisors (19720012).

25573628 is a wasteful number, since it uses less digits than its factorization.

25573628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77116 (or 77114 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 25573628 is about 5057.0374726711. The cubic root of 25573628 is about 294.6212817043.

The spelling of 25573628 in words is "twenty-five million, five hundred seventy-three thousand, six hundred twenty-eight".