7006012261 has 2 divisors, whose sum is σ = 7006012262. Its totient is φ = 7006012260.

The previous prime is 7006012243. The next prime is 7006012297. The reversal of 7006012261 is 1622106007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5205622500 + 1800389761 = 72150^2 + 42431^2 .

It is an emirp because it is prime and its reverse (1622106007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7006012261 - 2⁵ = 7006012229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7006012361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3503006130 + 3503006131.

It is an arithmetic number, because the mean of its divisors is an integer number (3503006131).

Almost surely, 2^7006012261 is an apocalyptic number.

It is an amenable number.

7006012261 is a deficient number, since it is larger than the sum of its proper divisors (1).

7006012261 is an equidigital number, since it uses as much as digits as its factorization.

7006012261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 7006012261 is about 83701.9250734414. The cubic root of 7006012261 is about 1913.4786946957.

Adding to 7006012261 its reverse (1622106007), we get a palindrome (8628118268).

The spelling of 7006012261 in words is "seven billion, six million, twelve thousand, two hundred sixty-one".