27312463 has 2 divisors, whose sum is σ = 27312464. Its totient is φ = 27312462.

The previous prime is 27312419. The next prime is 27312479. The reversal of 27312463 is 36421372.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27312463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27312163) 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, 13656231 + 13656232.

It is an arithmetic number, because the mean of its divisors is an integer number (13656232).

Almost surely, 2^27312463 is an apocalyptic number.

27312463 is a deficient number, since it is larger than the sum of its proper divisors (1).

27312463 is an equidigital number, since it uses as much as digits as its factorization.

27312463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 28.

The square root of 27312463 is about 5226.1327001905. The cubic root of 27312463 is about 301.1528346037.

The spelling of 27312463 in words is "twenty-seven million, three hundred twelve thousand, four hundred sixty-three".