27605051 has 2 divisors, whose sum is σ = 27605052. Its totient is φ = 27605050.

The previous prime is 27605033. The next prime is 27605057. The reversal of 27605051 is 15050672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27605051 - 2⁶ = 27604987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27605051.

It is not a weakly prime, because it can be changed into another prime (27605057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13802525 + 13802526.

It is an arithmetic number, because the mean of its divisors is an integer number (13802526).

Almost surely, 2^27605051 is an apocalyptic number.

27605051 is a deficient number, since it is larger than the sum of its proper divisors (1).

27605051 is an equidigital number, since it uses as much as digits as its factorization.

27605051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 27605051 is about 5254.0509133430. The cubic root of 27605051 is about 302.2243957446.

The spelling of 27605051 in words is "twenty-seven million, six hundred five thousand, fifty-one".