28361453 has 2 divisors, whose sum is σ = 28361454. Its totient is φ = 28361452.

The previous prime is 28361387. The next prime is 28361483. The reversal of 28361453 is 35416382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20448484 + 7912969 = 4522^2 + 2813^2 .

It is a cyclic number.

It is not a de Polignac number, because 28361453 - 2⁸ = 28361197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28361483) 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, 14180726 + 14180727.

It is an arithmetic number, because the mean of its divisors is an integer number (14180727).

Almost surely, 2^28361453 is an apocalyptic number.

It is an amenable number.

28361453 is a deficient number, since it is larger than the sum of its proper divisors (1).

28361453 is an equidigital number, since it uses as much as digits as its factorization.

28361453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 28361453 is about 5325.5472019315. The cubic root of 28361453 is about 304.9599624951.

The spelling of 28361453 in words is "twenty-eight million, three hundred sixty-one thousand, four hundred fifty-three".