28398053 has 2 divisors, whose sum is σ = 28398054. Its totient is φ = 28398052.

The previous prime is 28398037. The next prime is 28398067. The reversal of 28398053 is 35089382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14730244 + 13667809 = 3838^2 + 3697^2 .

It is a cyclic number.

It is not a de Polignac number, because 28398053 - 2⁴ = 28398037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28397998 and 28398016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28394053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14199026 + 14199027.

It is an arithmetic number, because the mean of its divisors is an integer number (14199027).

Almost surely, 2^28398053 is an apocalyptic number.

It is an amenable number.

28398053 is a deficient number, since it is larger than the sum of its proper divisors (1).

28398053 is an equidigital number, since it uses as much as digits as its factorization.

28398053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 28398053 is about 5328.9823606388. The cubic root of 28398053 is about 305.0910880855.

The spelling of 28398053 in words is "twenty-eight million, three hundred ninety-eight thousand, fifty-three".