28783301 has 2 divisors, whose sum is σ = 28783302. Its totient is φ = 28783300.

The previous prime is 28783219. The next prime is 28783319. The reversal of 28783301 is 10338782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28622500 + 160801 = 5350^2 + 401^2 .

It is a cyclic number.

It is not a de Polignac number, because 28783301 - 2¹⁴ = 28766917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28783331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14391650 + 14391651.

It is an arithmetic number, because the mean of its divisors is an integer number (14391651).

Almost surely, 2^28783301 is an apocalyptic number.

It is an amenable number.

28783301 is a deficient number, since it is larger than the sum of its proper divisors (1).

28783301 is an equidigital number, since it uses as much as digits as its factorization.

28783301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 28783301 is about 5365.0070829403. The cubic root of 28783301 is about 306.4645179793.

The spelling of 28783301 in words is "twenty-eight million, seven hundred eighty-three thousand, three hundred one".