7042271 has 2 divisors, whose sum is σ = 7042272. Its totient is φ = 7042270.

The previous prime is 7042253. The next prime is 7042291. The reversal of 7042271 is 1722407.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7042271 - 2⁶ = 7042207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7042291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3521135 + 3521136.

It is an arithmetic number, because the mean of its divisors is an integer number (3521136).

Almost surely, 2^7042271 is an apocalyptic number.

7042271 is a deficient number, since it is larger than the sum of its proper divisors (1).

7042271 is an equidigital number, since it uses as much as digits as its factorization.

7042271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 7042271 is about 2653.7277554414. The cubic root of 7042271 is about 191.6774006171.

Adding to 7042271 its reverse (1722407), we get a palindrome (8764678).

The spelling of 7042271 in words is "seven million, forty-two thousand, two hundred seventy-one".