28152573 has 16 divisors (see below), whose sum is σ = 38617920. Its totient is φ = 18232704.

The previous prime is 28152563. The next prime is 28152581. The reversal of 28152573 is 37525182.

It is not a de Polignac number, because 28152573 - 2⁸ = 28152317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28152563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29065 + ... + 30017.

It is an arithmetic number, because the mean of its divisors is an integer number (2413620).

Almost surely, 2^28152573 is an apocalyptic number.

It is an amenable number.

28152573 is a deficient number, since it is larger than the sum of its proper divisors (10465347).

28152573 is a wasteful number, since it uses less digits than its factorization.

28152573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228.

The product of its digits is 16800, while the sum is 33.

The square root of 28152573 is about 5305.8998294352. The cubic root of 28152573 is about 304.2094477971.

The spelling of 28152573 in words is "twenty-eight million, one hundred fifty-two thousand, five hundred seventy-three".