106306861 has 2 divisors, whose sum is σ = 106306862. Its totient is φ = 106306860.

The previous prime is 106306853. The next prime is 106306867. The reversal of 106306861 is 168603601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82355625 + 23951236 = 9075^2 + 4894^2 .

It is a cyclic number.

It is not a de Polignac number, because 106306861 - 2³ = 106306853 is a prime.

It is a super-2 number, since 2×106306861² = 22602297391346642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106306867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53153430 + 53153431.

It is an arithmetic number, because the mean of its divisors is an integer number (53153431).

Almost surely, 2^106306861 is an apocalyptic number.

It is an amenable number.

106306861 is a deficient number, since it is larger than the sum of its proper divisors (1).

106306861 is an equidigital number, since it uses as much as digits as its factorization.

106306861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 106306861 is about 10310.5218587616. The cubic root of 106306861 is about 473.7185939085.

The spelling of 106306861 in words is "one hundred six million, three hundred six thousand, eight hundred sixty-one".