7182001 has 2 divisors, whose sum is σ = 7182002. Its totient is φ = 7182000.

The previous prime is 7181983. The next prime is 7182047. The reversal of 7182001 is 1002817.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7160976 + 21025 = 2676^2 + 145^2 .

It is an emirp because it is prime and its reverse (1002817) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7182001 - 2⁷ = 7181873 is a prime.

It is a super-2 number, since 2×7182001² = 103162276728002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7182001.

It is not a weakly prime, because it can be changed into another prime (7182061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3591000 + 3591001.

It is an arithmetic number, because the mean of its divisors is an integer number (3591001).

Almost surely, 2^7182001 is an apocalyptic number.

It is an amenable number.

7182001 is a deficient number, since it is larger than the sum of its proper divisors (1).

7182001 is an equidigital number, since it uses as much as digits as its factorization.

7182001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 7182001 is about 2679.9255586676. The cubic root of 7182001 is about 192.9368366960.

Adding to 7182001 its reverse (1002817), we get a palindrome (8184818).

It can be divided in two parts, 718200 and 1, that added together give a triangular number (718201 = T₁₁₉₈).

The spelling of 7182001 in words is "seven million, one hundred eighty-two thousand, one".