27284953 has 2 divisors, whose sum is σ = 27284954. Its totient is φ = 27284952.

The previous prime is 27284951. The next prime is 27284987. The reversal of 27284953 is 35948272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18688329 + 8596624 = 4323^2 + 2932^2 .

It is a cyclic number.

It is not a de Polignac number, because 27284953 - 2¹ = 27284951 is a prime.

Together with 27284951, it forms a pair of twin primes.

It is the 5224-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (27284951) by changing a digit.

It is a nontrivial repunit in base 5223.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13642476 + 13642477.

It is an arithmetic number, because the mean of its divisors is an integer number (13642477).

Almost surely, 2^27284953 is an apocalyptic number.

It is an amenable number.

27284953 is a deficient number, since it is larger than the sum of its proper divisors (1).

27284953 is an equidigital number, since it uses as much as digits as its factorization.

27284953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 27284953 is about 5223.5000717909. The cubic root of 27284953 is about 301.0516903314.

The spelling of 27284953 in words is "twenty-seven million, two hundred eighty-four thousand, nine hundred fifty-three".