27274243 has 2 divisors, whose sum is σ = 27274244. Its totient is φ = 27274242.

The previous prime is 27274229. The next prime is 27274249. The reversal of 27274243 is 34247272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27274243 - 2¹³ = 27266051 is a prime.

It is not a weakly prime, because it can be changed into another prime (27274249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13637121 + 13637122.

It is an arithmetic number, because the mean of its divisors is an integer number (13637122).

Almost surely, 2^27274243 is an apocalyptic number.

27274243 is a deficient number, since it is larger than the sum of its proper divisors (1).

27274243 is an equidigital number, since it uses as much as digits as its factorization.

27274243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 31.

The square root of 27274243 is about 5222.4747964926. The cubic root of 27274243 is about 301.0122951678.

The spelling of 27274243 in words is "twenty-seven million, two hundred seventy-four thousand, two hundred forty-three".