27530801 has 2 divisors, whose sum is σ = 27530802. Its totient is φ = 27530800.

The previous prime is 27530777. The next prime is 27530807. The reversal of 27530801 is 10803572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19351201 + 8179600 = 4399^2 + 2860^2 .

It is a cyclic number.

It is not a de Polignac number, because 27530801 - 2²² = 23336497 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 (27530807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13765400 + 13765401.

It is an arithmetic number, because the mean of its divisors is an integer number (13765401).

Almost surely, 2^27530801 is an apocalyptic number.

It is an amenable number.

27530801 is a deficient number, since it is larger than the sum of its proper divisors (1).

27530801 is an equidigital number, since it uses as much as digits as its factorization.

27530801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 27530801 is about 5246.9801791126. The cubic root of 27530801 is about 301.9531855859.

The spelling of 27530801 in words is "twenty-seven million, five hundred thirty thousand, eight hundred one".