27484481 has 2 divisors, whose sum is σ = 27484482. Its totient is φ = 27484480.

The previous prime is 27484441. The next prime is 27484493. The reversal of 27484481 is 18448472.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26173456 + 1311025 = 5116^2 + 1145^2 .

It is a cyclic number.

It is not a de Polignac number, because 27484481 - 2¹⁰ = 27483457 is a prime.

It is a super-2 number, since 2×27484481² = 1510793391678722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27484411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13742240 + 13742241.

It is an arithmetic number, because the mean of its divisors is an integer number (13742241).

Almost surely, 2^27484481 is an apocalyptic number.

It is an amenable number.

27484481 is a deficient number, since it is larger than the sum of its proper divisors (1).

27484481 is an equidigital number, since it uses as much as digits as its factorization.

27484481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57344, while the sum is 38.

The square root of 27484481 is about 5242.5643534438. The cubic root of 27484481 is about 301.7837472069.

The spelling of 27484481 in words is "twenty-seven million, four hundred eighty-four thousand, four hundred eighty-one".