7283081 has 4 divisors (see below), whose sum is σ = 7843332. Its totient is φ = 6722832.

The previous prime is 7283077. The next prime is 7283093. The reversal of 7283081 is 1803827.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1803827 = 523 ⋅3449.

It can be written as a sum of positive squares in 2 ways, for example, as 4477456 + 2805625 = 2116^2 + 1675^2 .

It is a cyclic number.

It is not a de Polignac number, because 7283081 - 2² = 7283077 is a prime.

It is a super-2 number, since 2×7283081² = 106086537705122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7283041) 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 in 3 ways as a sum of consecutive naturals, for example, 280106 + ... + 280131.

It is an arithmetic number, because the mean of its divisors is an integer number (1960833).

Almost surely, 2^7283081 is an apocalyptic number.

It is an amenable number.

7283081 is a deficient number, since it is larger than the sum of its proper divisors (560251).

7283081 is a wasteful number, since it uses less digits than its factorization.

7283081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560250.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 7283081 is about 2698.7183995371. The cubic root of 7283081 is about 193.8377589256.

The spelling of 7283081 in words is "seven million, two hundred eighty-three thousand, eighty-one".