27406051 has 2 divisors, whose sum is σ = 27406052. Its totient is φ = 27406050.

The previous prime is 27406039. The next prime is 27406061. The reversal of 27406051 is 15060472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27406051 - 2¹³ = 27397859 is a prime.

It is not a weakly prime, because it can be changed into another prime (27406021) 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, 13703025 + 13703026.

It is an arithmetic number, because the mean of its divisors is an integer number (13703026).

Almost surely, 2^27406051 is an apocalyptic number.

27406051 is a deficient number, since it is larger than the sum of its proper divisors (1).

27406051 is an equidigital number, since it uses as much as digits as its factorization.

27406051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 27406051 is about 5235.0788914781. The cubic root of 27406051 is about 301.4964159794.

The spelling of 27406051 in words is "twenty-seven million, four hundred six thousand, fifty-one".