27528001 has 2 divisors, whose sum is σ = 27528002. Its totient is φ = 27528000.

The previous prime is 27527971. The next prime is 27528013. The reversal of 27528001 is 10082572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27196225 + 331776 = 5215^2 + 576^2 .

It is a cyclic number.

It is not a de Polignac number, because 27528001 - 2²¹ = 25430849 is a prime.

It is not a weakly prime, because it can be changed into another prime (27528071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13764000 + 13764001.

It is an arithmetic number, because the mean of its divisors is an integer number (13764001).

Almost surely, 2^27528001 is an apocalyptic number.

It is an amenable number.

27528001 is a deficient number, since it is larger than the sum of its proper divisors (1).

27528001 is an equidigital number, since it uses as much as digits as its factorization.

27528001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 27528001 is about 5246.7133521853. The cubic root of 27528001 is about 301.9429485961.

The spelling of 27528001 in words is "twenty-seven million, five hundred twenty-eight thousand, one".