7142263 has 2 divisors, whose sum is σ = 7142264. Its totient is φ = 7142262.

The previous prime is 7142209. The next prime is 7142269. The reversal of 7142263 is 3622417.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7142263 is a prime.

It is a super-2 number, since 2×7142263² = 102023841522338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7142269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3571131 + 3571132.

It is an arithmetic number, because the mean of its divisors is an integer number (3571132).

Almost surely, 2^7142263 is an apocalyptic number.

7142263 is a deficient number, since it is larger than the sum of its proper divisors (1).

7142263 is an equidigital number, since it uses as much as digits as its factorization.

7142263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 7142263 is about 2672.5012628622. The cubic root of 7142263 is about 192.5803386484.

The spelling of 7142263 in words is "seven million, one hundred forty-two thousand, two hundred sixty-three".