7000181 has 2 divisors, whose sum is σ = 7000182. Its totient is φ = 7000180.

The previous prime is 7000171. The next prime is 7000219. The reversal of 7000181 is 1810007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5640625 + 1359556 = 2375^2 + 1166^2 .

It is a cyclic number.

It is not a de Polignac number, because 7000181 - 2¹⁴ = 6983797 is a prime.

It is a super-2 number, since 2×7000181² = 98005068065522, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 7.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7000121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3500090 + 3500091.

It is an arithmetic number, because the mean of its divisors is an integer number (3500091).

Almost surely, 2^7000181 is an apocalyptic number.

It is an amenable number.

7000181 is a deficient number, since it is larger than the sum of its proper divisors (1).

7000181 is an equidigital number, since it uses as much as digits as its factorization.

7000181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 7000181 is about 2645.7855166283. The cubic root of 7000181 is about 191.2947670275.

Adding to 7000181 its reverse (1810007), we get a palindrome (8810188).

The spelling of 7000181 in words is "seven million, one hundred eighty-one", and thus it is an aban number.