7182081 has 8 divisors (see below), whose sum is σ = 10640160. Its totient is φ = 4788036.

The previous prime is 7182067. The next prime is 7182089. The reversal of 7182081 is 1802817.

It is not a de Polignac number, because 7182081 - 2¹³ = 7173889 is a prime.

It is a super-2 number, since 2×7182081² = 103164574981122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 266003 = 7182081 / (7 + 1 + 8 + 2 + 0 + 8 + 1).

It is not an unprimeable number, because it can be changed into a prime (7182089) 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 7 ways as a sum of consecutive naturals, for example, 132975 + ... + 133028.

It is an arithmetic number, because the mean of its divisors is an integer number (1330020).

Almost surely, 2^7182081 is an apocalyptic number.

It is an amenable number.

7182081 is a deficient number, since it is larger than the sum of its proper divisors (3458079).

7182081 is a wasteful number, since it uses less digits than its factorization.

7182081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266012 (or 266006 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 7182081 is about 2679.9404844138. The cubic root of 7182081 is about 192.9375530651.

Adding to 7182081 its reverse (1802817), we get a palindrome (8984898).

The spelling of 7182081 in words is "seven million, one hundred eighty-two thousand, eighty-one".