27312097 has 2 divisors, whose sum is σ = 27312098. Its totient is φ = 27312096.

The previous prime is 27312091. The next prime is 27312107. The reversal of 27312097 is 79021372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20151121 + 7160976 = 4489^2 + 2676^2 .

It is a cyclic number.

It is not a de Polignac number, because 27312097 - 2⁷ = 27311969 is a prime.

It is a super-4 number, since 4×27312097⁴ (a number of 31 digits) contains 4444 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27312091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13656048 + 13656049.

It is an arithmetic number, because the mean of its divisors is an integer number (13656049).

Almost surely, 2^27312097 is an apocalyptic number.

It is an amenable number.

27312097 is a deficient number, since it is larger than the sum of its proper divisors (1).

27312097 is an equidigital number, since it uses as much as digits as its factorization.

27312097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 27312097 is about 5226.0976837407. The cubic root of 27312097 is about 301.1514894006.

The spelling of 27312097 in words is "twenty-seven million, three hundred twelve thousand, ninety-seven".