28536853 has 2 divisors, whose sum is σ = 28536854. Its totient is φ = 28536852.

The previous prime is 28536847. The next prime is 28536857. The reversal of 28536853 is 35863582.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15984004 + 12552849 = 3998^2 + 3543^2 .

It is a cyclic number.

It is not a de Polignac number, because 28536853 - 2⁹ = 28536341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28536857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14268426 + 14268427.

It is an arithmetic number, because the mean of its divisors is an integer number (14268427).

Almost surely, 2^28536853 is an apocalyptic number.

It is an amenable number.

28536853 is a deficient number, since it is larger than the sum of its proper divisors (1).

28536853 is an equidigital number, since it uses as much as digits as its factorization.

28536853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 40.

The square root of 28536853 is about 5341.9896106226. The cubic root of 28536853 is about 305.5873408599.

The spelling of 28536853 in words is "twenty-eight million, five hundred thirty-six thousand, eight hundred fifty-three".