27197941 has 2 divisors, whose sum is σ = 27197942. Its totient is φ = 27197940.

The previous prime is 27197917. The next prime is 27197971. The reversal of 27197941 is 14979172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26780625 + 417316 = 5175^2 + 646^2 .

It is a cyclic number.

It is not a de Polignac number, because 27197941 - 2⁷ = 27197813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27197894 and 27197903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27197971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13598970 + 13598971.

It is an arithmetic number, because the mean of its divisors is an integer number (13598971).

Almost surely, 2^27197941 is an apocalyptic number.

It is an amenable number.

27197941 is a deficient number, since it is larger than the sum of its proper divisors (1).

27197941 is an equidigital number, since it uses as much as digits as its factorization.

27197941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 40.

The square root of 27197941 is about 5215.1645228123. The cubic root of 27197941 is about 300.7313305515.

The spelling of 27197941 in words is "twenty-seven million, one hundred ninety-seven thousand, nine hundred forty-one".