28953003 has 4 divisors (see below), whose sum is σ = 38604008. Its totient is φ = 19302000.

The previous prime is 28952993. The next prime is 28953007. The reversal of 28953003 is 30035982.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 28953003 - 2⁵ = 28952971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28953007) 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, 4825498 + ... + 4825503.

It is an arithmetic number, because the mean of its divisors is an integer number (9651002).

Almost surely, 2^28953003 is an apocalyptic number.

28953003 is a deficient number, since it is larger than the sum of its proper divisors (9651005).

28953003 is an equidigital number, since it uses as much as digits as its factorization.

28953003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9651004.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 28953003 is about 5380.7994759143. The cubic root of 28953003 is about 307.0656276918.

Adding to 28953003 its reverse (30035982), we get a palindrome (58988985).

The spelling of 28953003 in words is "twenty-eight million, nine hundred fifty-three thousand, three".