106564091 has 2 divisors, whose sum is σ = 106564092. Its totient is φ = 106564090.

The previous prime is 106564063. The next prime is 106564097. The reversal of 106564091 is 190465601.

It is a strong prime.

It is an emirp because it is prime and its reverse (190465601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106564091 is a prime.

It is a super-2 number, since 2×106564091² = 22711810981312562, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (106564097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53282045 + 53282046.

It is an arithmetic number, because the mean of its divisors is an integer number (53282046).

Almost surely, 2^106564091 is an apocalyptic number.

106564091 is a deficient number, since it is larger than the sum of its proper divisors (1).

106564091 is an equidigital number, since it uses as much as digits as its factorization.

106564091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 106564091 is about 10322.9884723369. The cubic root of 106564091 is about 474.1003707166.

It can be divided in two parts, 1065 and 64091, that added together give a palindrome (65156).

The spelling of 106564091 in words is "one hundred six million, five hundred sixty-four thousand, ninety-one".