28150573 has 12 divisors (see below), whose sum is σ = 31744224. Its totient is φ = 24756600.

The previous prime is 28150567. The next prime is 28150583. The reversal of 28150573 is 37505182.

It is not a de Polignac number, because 28150573 - 2⁵ = 28150541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28150513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9240 + ... + 11902.

It is an arithmetic number, because the mean of its divisors is an integer number (2645352).

Almost surely, 2^28150573 is an apocalyptic number.

It is an amenable number.

28150573 is a deficient number, since it is larger than the sum of its proper divisors (3593651).

28150573 is a wasteful number, since it uses less digits than its factorization.

28150573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736 (or 2705 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 28150573 is about 5305.7113566420. The cubic root of 28150573 is about 304.2022437983.

The spelling of 28150573 in words is "twenty-eight million, one hundred fifty thousand, five hundred seventy-three".