9070861 has 2 divisors, whose sum is σ = 9070862. Its totient is φ = 9070860.

The previous prime is 9070829. The next prime is 9070891. The reversal of 9070861 is 1680709.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7645225 + 1425636 = 2765^2 + 1194^2 .

It is an emirp because it is prime and its reverse (1680709) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9070861 - 2⁵ = 9070829 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9070891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4535430 + 4535431.

It is an arithmetic number, because the mean of its divisors is an integer number (4535431).

Almost surely, 2^9070861 is an apocalyptic number.

It is an amenable number.

9070861 is a deficient number, since it is larger than the sum of its proper divisors (1).

9070861 is an equidigital number, since it uses as much as digits as its factorization.

9070861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 9070861 is about 3011.7870110617. The cubic root of 9070861 is about 208.5528699453.

The spelling of 9070861 in words is "nine million, seventy thousand, eight hundred sixty-one".