28591753 has 2 divisors, whose sum is σ = 28591754. Its totient is φ = 28591752.

The previous prime is 28591727. The next prime is 28591793. The reversal of 28591753 is 35719582.

It is an a-pointer prime, because the next prime (28591793) can be obtained adding 28591753 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25674489 + 2917264 = 5067^2 + 1708^2 .

It is a cyclic number.

It is not a de Polignac number, because 28591753 - 2⁵ = 28591721 is a prime.

It is a super-2 number, since 2×28591753² = 1634976679226018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28591793) 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, 14295876 + 14295877.

It is an arithmetic number, because the mean of its divisors is an integer number (14295877).

Almost surely, 2^28591753 is an apocalyptic number.

It is an amenable number.

28591753 is a deficient number, since it is larger than the sum of its proper divisors (1).

28591753 is an equidigital number, since it uses as much as digits as its factorization.

28591753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 40.

The square root of 28591753 is about 5347.1256764733. The cubic root of 28591753 is about 305.7831811648.

The spelling of 28591753 in words is "twenty-eight million, five hundred ninety-one thousand, seven hundred fifty-three".