7000213081 has 2 divisors, whose sum is σ = 7000213082. Its totient is φ = 7000213080.

The previous prime is 7000213067. The next prime is 7000213117. The reversal of 7000213081 is 1803120007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5001318400 + 1998894681 = 70720^2 + 44709^2 .

It is a cyclic number.

It is not a de Polignac number, because 7000213081 - 2⁷ = 7000212953 is a prime.

It is a super-2 number, since 2×7000213081² = 98005966358807025122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7000213021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3500106540 + 3500106541.

It is an arithmetic number, because the mean of its divisors is an integer number (3500106541).

Almost surely, 2^7000213081 is an apocalyptic number.

It is an amenable number.

7000213081 is a deficient number, since it is larger than the sum of its proper divisors (1).

7000213081 is an equidigital number, since it uses as much as digits as its factorization.

7000213081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 7000213081 is about 83667.2760462536. The cubic root of 7000213081 is about 1912.9505925416.

Adding to 7000213081 its reverse (1803120007), we get a palindrome (8803333088).

The spelling of 7000213081 in words is "seven billion, two hundred thirteen thousand, eighty-one".