27280493 has 2 divisors, whose sum is σ = 27280494. Its totient is φ = 27280492.

The previous prime is 27280483. The next prime is 27280511. The reversal of 27280493 is 39408272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25532809 + 1747684 = 5053^2 + 1322^2 .

It is a cyclic number.

It is not a de Polignac number, because 27280493 - 2¹⁸ = 27018349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27280483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13640246 + 13640247.

It is an arithmetic number, because the mean of its divisors is an integer number (13640247).

Almost surely, 2^27280493 is an apocalyptic number.

It is an amenable number.

27280493 is a deficient number, since it is larger than the sum of its proper divisors (1).

27280493 is an equidigital number, since it uses as much as digits as its factorization.

27280493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 27280493 is about 5223.0731375312. The cubic root of 27280493 is about 301.0352861286.

The spelling of 27280493 in words is "twenty-seven million, two hundred eighty thousand, four hundred ninety-three".