7149193 has 2 divisors, whose sum is σ = 7149194. Its totient is φ = 7149192.

The previous prime is 7149161. The next prime is 7149209. The reversal of 7149193 is 3919417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4149369 + 2999824 = 2037^2 + 1732^2 .

It is an emirp because it is prime and its reverse (3919417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7149193 - 2⁵ = 7149161 is a prime.

It is a super-2 number, since 2×7149193² = 102221921102498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7149143) 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 as a sum of consecutive naturals, namely, 3574596 + 3574597.

It is an arithmetic number, because the mean of its divisors is an integer number (3574597).

Almost surely, 2^7149193 is an apocalyptic number.

It is an amenable number.

7149193 is a deficient number, since it is larger than the sum of its proper divisors (1).

7149193 is an equidigital number, since it uses as much as digits as its factorization.

7149193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 34.

The square root of 7149193 is about 2673.7974867218. The cubic root of 7149193 is about 192.6426041769.

The spelling of 7149193 in words is "seven million, one hundred forty-nine thousand, one hundred ninety-three".