28467613 has 2 divisors, whose sum is σ = 28467614. Its totient is φ = 28467612.

The previous prime is 28467601. The next prime is 28467631. The reversal of 28467613 is 31676482.

Together with next prime (28467631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28111204 + 356409 = 5302^2 + 597^2 .

It is a cyclic number.

It is not a de Polignac number, because 28467613 - 2¹⁷ = 28336541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28437613) 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, 14233806 + 14233807.

It is an arithmetic number, because the mean of its divisors is an integer number (14233807).

Almost surely, 2^28467613 is an apocalyptic number.

It is an amenable number.

28467613 is a deficient number, since it is larger than the sum of its proper divisors (1).

28467613 is an equidigital number, since it uses as much as digits as its factorization.

28467613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 28467613 is about 5335.5049433020. The cubic root of 28467613 is about 305.3399881540.

The spelling of 28467613 in words is "twenty-eight million, four hundred sixty-seven thousand, six hundred thirteen".