7043137 has 2 divisors, whose sum is σ = 7043138. Its totient is φ = 7043136.

The previous prime is 7043123. The next prime is 7043147. The reversal of 7043137 is 7313407.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6558721 + 484416 = 2561^2 + 696^2 .

It is an emirp because it is prime and its reverse (7313407) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7043137 is a prime.

It is not a weakly prime, because it can be changed into another prime (7043147) 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, 3521568 + 3521569.

It is an arithmetic number, because the mean of its divisors is an integer number (3521569).

Almost surely, 2^7043137 is an apocalyptic number.

It is an amenable number.

7043137 is a deficient number, since it is larger than the sum of its proper divisors (1).

7043137 is an equidigital number, since it uses as much as digits as its factorization.

7043137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 7043137 is about 2653.8909171253. The cubic root of 7043137 is about 191.6852572600.

The spelling of 7043137 in words is "seven million, forty-three thousand, one hundred thirty-seven".