28512353 has 2 divisors, whose sum is σ = 28512354. Its totient is φ = 28512352.

The previous prime is 28512347. The next prime is 28512359. The reversal of 28512353 is 35321582.

It is a balanced prime because it is at equal distance from previous prime (28512347) and next prime (28512359).

It can be written as a sum of positive squares in only one way, i.e., 28376929 + 135424 = 5327^2 + 368^2 .

It is a cyclic number.

It is not a de Polignac number, because 28512353 - 2¹⁴ = 28495969 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_1771346 and since 28512353 and 1771346 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (28512359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14256176 + 14256177.

It is an arithmetic number, because the mean of its divisors is an integer number (14256177).

Almost surely, 2^28512353 is an apocalyptic number.

It is an amenable number.

28512353 is a deficient number, since it is larger than the sum of its proper divisors (1).

28512353 is an equidigital number, since it uses as much as digits as its factorization.

28512353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 29.

The square root of 28512353 is about 5339.6959651276. The cubic root of 28512353 is about 305.4998629418.

The spelling of 28512353 in words is "twenty-eight million, five hundred twelve thousand, three hundred fifty-three".