25528573 has 8 divisors (see below), whose sum is σ = 29210048. Its totient is φ = 21855744.

The previous prime is 25528549. The next prime is 25528579. The reversal of 25528573 is 37582552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25528573 - 2¹³ = 25520381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25528579) 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 7 ways as a sum of consecutive naturals, for example, 6490 + ... + 9652.

It is an arithmetic number, because the mean of its divisors is an integer number (3651256).

Almost surely, 2^25528573 is an apocalyptic number.

It is an amenable number.

25528573 is a deficient number, since it is larger than the sum of its proper divisors (3681475).

25528573 is a wasteful number, since it uses less digits than its factorization.

25528573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323.

The product of its digits is 84000, while the sum is 37.

The square root of 25528573 is about 5052.5808256771. The cubic root of 25528573 is about 294.4481611123.

The spelling of 25528573 in words is "twenty-five million, five hundred twenty-eight thousand, five hundred seventy-three".