27954193 has 2 divisors, whose sum is σ = 27954194. Its totient is φ = 27954192.

The previous prime is 27954181. The next prime is 27954247. The reversal of 27954193 is 39145972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14653584 + 13300609 = 3828^2 + 3647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27954193 is a prime.

It is a super-3 number, since 3×27954193³ (a number of 23 digits) contains 333 as substring.

It is equal to p_1738768 and since 27954193 and 1738768 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (27954133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13977096 + 13977097.

It is an arithmetic number, because the mean of its divisors is an integer number (13977097).

Almost surely, 2^27954193 is an apocalyptic number.

It is an amenable number.

27954193 is a deficient number, since it is larger than the sum of its proper divisors (1).

27954193 is an equidigital number, since it uses as much as digits as its factorization.

27954193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 40.

The square root of 27954193 is about 5287.1724957675. The cubic root of 27954193 is about 303.4932151011.

The spelling of 27954193 in words is "twenty-seven million, nine hundred fifty-four thousand, one hundred ninety-three".