28329053 has 2 divisors, whose sum is σ = 28329054. Its totient is φ = 28329052.

The previous prime is 28329047. The next prime is 28329061. The reversal of 28329053 is 35092382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28270489 + 58564 = 5317^2 + 242^2 .

It is a cyclic number.

It is not a de Polignac number, because 28329053 - 2¹² = 28324957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28329253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14164526 + 14164527.

It is an arithmetic number, because the mean of its divisors is an integer number (14164527).

Almost surely, 2^28329053 is an apocalyptic number.

It is an amenable number.

28329053 is a deficient number, since it is larger than the sum of its proper divisors (1).

28329053 is an equidigital number, since it uses as much as digits as its factorization.

28329053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 28329053 is about 5322.5043917314. The cubic root of 28329053 is about 304.8437899359.

The spelling of 28329053 in words is "twenty-eight million, three hundred twenty-nine thousand, fifty-three".