106860217 has 2 divisors, whose sum is σ = 106860218. Its totient is φ = 106860216.

The previous prime is 106860209. The next prime is 106860223. The reversal of 106860217 is 712068601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59305401 + 47554816 = 7701^2 + 6896^2 .

It is an emirp because it is prime and its reverse (712068601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106860217 - 2³ = 106860209 is a prime.

It is a super-2 number, since 2×106860217² = 22838211954574178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106860917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53430108 + 53430109.

It is an arithmetic number, because the mean of its divisors is an integer number (53430109).

Almost surely, 2^106860217 is an apocalyptic number.

It is an amenable number.

106860217 is a deficient number, since it is larger than the sum of its proper divisors (1).

106860217 is an equidigital number, since it uses as much as digits as its factorization.

106860217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 106860217 is about 10337.3215583148. The cubic root of 106860217 is about 474.5391163928.

The spelling of 106860217 in words is "one hundred six million, eight hundred sixty thousand, two hundred seventeen".