28954573 has 2 divisors, whose sum is σ = 28954574. Its totient is φ = 28954572.

The previous prime is 28954567. The next prime is 28954591. The reversal of 28954573 is 37545982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27910089 + 1044484 = 5283^2 + 1022^2 .

It is a cyclic number.

It is not a de Polignac number, because 28954573 - 2⁹ = 28954061 is a prime.

It is a super-2 number, since 2×28954573² = 1676734595224658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28954273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14477286 + 14477287.

It is an arithmetic number, because the mean of its divisors is an integer number (14477287).

Almost surely, 2^28954573 is an apocalyptic number.

It is an amenable number.

28954573 is a deficient number, since it is larger than the sum of its proper divisors (1).

28954573 is an equidigital number, since it uses as much as digits as its factorization.

28954573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 43.

The square root of 28954573 is about 5380.9453630380. The cubic root of 28954573 is about 307.0711778855.

The spelling of 28954573 in words is "twenty-eight million, nine hundred fifty-four thousand, five hundred seventy-three".