28213067 has 2 divisors, whose sum is σ = 28213068. Its totient is φ = 28213066.

The previous prime is 28212971. The next prime is 28213079. The reversal of 28213067 is 76031282.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28213067 - 2¹⁰ = 28212043 is a prime.

It is a Chen prime.

It is equal to p_1753841 and since 28213067 and 1753841 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (28213567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14106533 + 14106534.

It is an arithmetic number, because the mean of its divisors is an integer number (14106534).

Almost surely, 2^28213067 is an apocalyptic number.

28213067 is a deficient number, since it is larger than the sum of its proper divisors (1).

28213067 is an equidigital number, since it uses as much as digits as its factorization.

28213067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 28213067 is about 5311.5974056775. The cubic root of 28213067 is about 304.4271861042.

The spelling of 28213067 in words is "twenty-eight million, two hundred thirteen thousand, sixty-seven".