27271001 has 8 divisors (see below), whose sum is σ = 27665664. Its totient is φ = 26879040.

The previous prime is 27270977. The next prime is 27271007. The reversal of 27271001 is 10017272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27271001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27271007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27425 + ... + 28401.

It is an arithmetic number, because the mean of its divisors is an integer number (3458208).

Almost surely, 2^27271001 is an apocalyptic number.

It is an amenable number.

27271001 is a deficient number, since it is larger than the sum of its proper divisors (394663).

27271001 is a wasteful number, since it uses less digits than its factorization.

27271001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 27271001 is about 5222.1643980250. The cubic root of 27271001 is about 301.0003679131. Note that the first 3 decimals are identical.

Adding to 27271001 its reverse (10017272), we get a palindrome (37288273).

The spelling of 27271001 in words is "twenty-seven million, two hundred seventy-one thousand, one".