28903753 has 2 divisors, whose sum is σ = 28903754. Its totient is φ = 28903752.

The previous prime is 28903751. The next prime is 28903759. The reversal of 28903753 is 35730982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28858384 + 45369 = 5372^2 + 213^2 .

It is a cyclic number.

It is not a de Polignac number, because 28903753 - 2¹ = 28903751 is a prime.

Together with 28903751, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28903751) 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, 14451876 + 14451877.

It is an arithmetic number, because the mean of its divisors is an integer number (14451877).

Almost surely, 2^28903753 is an apocalyptic number.

It is an amenable number.

28903753 is a deficient number, since it is larger than the sum of its proper divisors (1).

28903753 is an equidigital number, since it uses as much as digits as its factorization.

28903753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 28903753 is about 5376.2210706034. The cubic root of 28903753 is about 306.8914193357.

The spelling of 28903753 in words is "twenty-eight million, nine hundred three thousand, seven hundred fifty-three".