27442601 has 2 divisors, whose sum is σ = 27442602. Its totient is φ = 27442600.

The previous prime is 27442577. The next prime is 27442621. The reversal of 27442601 is 10624472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23775376 + 3667225 = 4876^2 + 1915^2 .

It is a cyclic number.

It is not a de Polignac number, because 27442601 - 2²² = 23248297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (27442621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13721300 + 13721301.

It is an arithmetic number, because the mean of its divisors is an integer number (13721301).

Almost surely, 2^27442601 is an apocalyptic number.

It is an amenable number.

27442601 is a deficient number, since it is larger than the sum of its proper divisors (1).

27442601 is an equidigital number, since it uses as much as digits as its factorization.

27442601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 27442601 is about 5238.5686022042. The cubic root of 27442601 is about 301.6303863793.

It can be divided in two parts, 274 and 42601, that added together give a cube (42875 = 35³).

The spelling of 27442601 in words is "twenty-seven million, four hundred forty-two thousand, six hundred one".