27114421 has 2 divisors, whose sum is σ = 27114422. Its totient is φ = 27114420.

The previous prime is 27114419. The next prime is 27114457. The reversal of 27114421 is 12441172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14333796 + 12780625 = 3786^2 + 3575^2 .

It is a cyclic number.

It is not a de Polignac number, because 27114421 - 2¹ = 27114419 is a prime.

Together with 27114419, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 27114392 and 27114401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27114221) 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, 13557210 + 13557211.

It is an arithmetic number, because the mean of its divisors is an integer number (13557211).

Almost surely, 2^27114421 is an apocalyptic number.

It is an amenable number.

27114421 is a deficient number, since it is larger than the sum of its proper divisors (1).

27114421 is an equidigital number, since it uses as much as digits as its factorization.

27114421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448, while the sum is 22.

The square root of 27114421 is about 5207.1509484554. The cubic root of 27114421 is about 300.4231842511.

Adding to 27114421 its reverse (12441172), we get a palindrome (39555593).

The spelling of 27114421 in words is "twenty-seven million, one hundred fourteen thousand, four hundred twenty-one".