7042281 has 4 divisors (see below), whose sum is σ = 9389712. Its totient is φ = 4694852.

The previous prime is 7042271. The next prime is 7042291. The reversal of 7042281 is 1822407.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (7042271) and next prime (7042291).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7042281 is a prime.

It is a super-2 number, since 2×7042281² = 99187443365922, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (7042271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173711 + ... + 1173716.

It is an arithmetic number, because the mean of its divisors is an integer number (2347428).

Almost surely, 2^7042281 is an apocalyptic number.

It is an amenable number.

7042281 is a deficient number, since it is larger than the sum of its proper divisors (2347431).

7042281 is a wasteful number, since it uses less digits than its factorization.

7042281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347430.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 7042281 is about 2653.7296395828. The cubic root of 7042281 is about 191.6774913441.

Adding to 7042281 its reverse (1822407), we get a palindrome (8864688).

The spelling of 7042281 in words is "seven million, forty-two thousand, two hundred eighty-one".