7042517 has 2 divisors, whose sum is σ = 7042518. Its totient is φ = 7042516.

The previous prime is 7042501. The next prime is 7042523. The reversal of 7042517 is 7152407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3530641 + 3511876 = 1879^2 + 1874^2 .

It is an emirp because it is prime and its reverse (7152407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7042517 - 2⁴ = 7042501 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7044517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3521258 + 3521259.

It is an arithmetic number, because the mean of its divisors is an integer number (3521259).

Almost surely, 2^7042517 is an apocalyptic number.

It is an amenable number.

7042517 is a deficient number, since it is larger than the sum of its proper divisors (1).

7042517 is an equidigital number, since it uses as much as digits as its factorization.

7042517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 7042517 is about 2653.7741049306. The cubic root of 7042517 is about 191.6796324772.

The spelling of 7042517 in words is "seven million, forty-two thousand, five hundred seventeen".