28067953 has 2 divisors, whose sum is σ = 28067954. Its totient is φ = 28067952.

The previous prime is 28067951. The next prime is 28067971. The reversal of 28067953 is 35976082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18258529 + 9809424 = 4273^2 + 3132^2 .

It is a cyclic number.

It is not a de Polignac number, because 28067953 - 2¹ = 28067951 is a prime.

It is a super-2 number, since 2×28067953² = 1575619971220418, which contains 22 as substring.

Together with 28067951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28067951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14033976 + 14033977.

It is an arithmetic number, because the mean of its divisors is an integer number (14033977).

Almost surely, 2^28067953 is an apocalyptic number.

It is an amenable number.

28067953 is a deficient number, since it is larger than the sum of its proper divisors (1).

28067953 is an equidigital number, since it uses as much as digits as its factorization.

28067953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 28067953 is about 5297.9196860655. The cubic root of 28067953 is about 303.9043479365.

The spelling of 28067953 in words is "twenty-eight million, sixty-seven thousand, nine hundred fifty-three".