27040001 has 2 divisors, whose sum is σ = 27040002. Its totient is φ = 27040000.

The previous prime is 27039937. The next prime is 27040031. The reversal of 27040001 is 10004072.

It is a happy number.

It is a Cunningham number, because it is equal to 5200²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27040000 + 1 = 5200^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 27040001 - 2⁶ = 27039937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27040031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13520000 + 13520001.

It is an arithmetic number, because the mean of its divisors is an integer number (13520001).

Almost surely, 2^27040001 is an apocalyptic number.

It is an amenable number.

27040001 is a deficient number, since it is larger than the sum of its proper divisors (1).

27040001 is an equidigital number, since it uses as much as digits as its factorization.

27040001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 27040001 is about 5200.0000961538. Note that the first 4 decimals coincide. The cubic root of 27040001 is about 300.1480787488.

Adding to 27040001 its reverse (10004072), we get a palindrome (37044073).

The spelling of 27040001 in words is "twenty-seven million, forty thousand, one".