27142937 has 2 divisors, whose sum is σ = 27142938. Its totient is φ = 27142936.

The previous prime is 27142919. The next prime is 27142957. The reversal of 27142937 is 73924172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22429696 + 4713241 = 4736^2 + 2171^2 .

It is a cyclic number.

It is not a de Polignac number, because 27142937 - 2⁶ = 27142873 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27142897 and 27142906.

It is not a weakly prime, because it can be changed into another prime (27142957) 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, 13571468 + 13571469.

It is an arithmetic number, because the mean of its divisors is an integer number (13571469).

Almost surely, 2^27142937 is an apocalyptic number.

It is an amenable number.

27142937 is a deficient number, since it is larger than the sum of its proper divisors (1).

27142937 is an equidigital number, since it uses as much as digits as its factorization.

27142937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 35.

The square root of 27142937 is about 5209.8883865204. Note that the first 3 decimals coincide. The cubic root of 27142937 is about 300.5284648327.

The spelling of 27142937 in words is "twenty-seven million, one hundred forty-two thousand, nine hundred thirty-seven".