106417581 has 4 divisors (see below), whose sum is σ = 141890112. Its totient is φ = 70945052.

The previous prime is 106417579. The next prime is 106417601. The reversal of 106417581 is 185714601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 185714601 = 3 ⋅61904867.

It is a cyclic number.

It is not a de Polignac number, because 106417581 - 2¹ = 106417579 is a prime.

It is a super-2 number, since 2×106417581² = 22649403091783122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106413581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17736261 + ... + 17736266.

It is an arithmetic number, because the mean of its divisors is an integer number (35472528).

Almost surely, 2^106417581 is an apocalyptic number.

It is an amenable number.

106417581 is a deficient number, since it is larger than the sum of its proper divisors (35472531).

106417581 is an equidigital number, since it uses as much as digits as its factorization.

106417581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35472530.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 106417581 is about 10315.8897338039. The cubic root of 106417581 is about 473.8829982364.

The spelling of 106417581 in words is "one hundred six million, four hundred seventeen thousand, five hundred eighty-one".