27354197 has 4 divisors (see below), whose sum is σ = 29458380. Its totient is φ = 25250016.

The previous prime is 27354191. The next prime is 27354233. The reversal of 27354197 is 79145372.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15062161 + 12292036 = 3881^2 + 3506^2 .

It is a cyclic number.

It is not a de Polignac number, because 27354197 - 2¹⁴ = 27337813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27354197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27354191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052072 + ... + 1052097.

It is an arithmetic number, because the mean of its divisors is an integer number (7364595).

Almost surely, 2^27354197 is an apocalyptic number.

It is an amenable number.

27354197 is a deficient number, since it is larger than the sum of its proper divisors (2104183).

27354197 is a wasteful number, since it uses less digits than its factorization.

27354197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104182.

The product of its digits is 52920, while the sum is 38.

The square root of 27354197 is about 5230.1239947061. The cubic root of 27354197 is about 301.3061457652.

The spelling of 27354197 in words is "twenty-seven million, three hundred fifty-four thousand, one hundred ninety-seven".