28201373 has 2 divisors, whose sum is σ = 28201374. Its totient is φ = 28201372.

The previous prime is 28201367. The next prime is 28201387. The reversal of 28201373 is 37310282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27321529 + 879844 = 5227^2 + 938^2 .

It is a cyclic number.

It is not a de Polignac number, because 28201373 - 2⁴ = 28201357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28201343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14100686 + 14100687.

It is an arithmetic number, because the mean of its divisors is an integer number (14100687).

Almost surely, 2^28201373 is an apocalyptic number.

It is an amenable number.

28201373 is a deficient number, since it is larger than the sum of its proper divisors (1).

28201373 is an equidigital number, since it uses as much as digits as its factorization.

28201373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 28201373 is about 5310.4964927961. The cubic root of 28201373 is about 304.3851197397.

The spelling of 28201373 in words is "twenty-eight million, two hundred one thousand, three hundred seventy-three".