64117 has 4 divisors (see below), whose sum is σ = 64876. Its totient is φ = 63360.

The previous prime is 64109. The next prime is 64123. The reversal of 64117 is 71146.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71146 = 2 ⋅35573.

It can be written as a sum of positive squares in 2 ways, for example, as 40401 + 23716 = 201^2 + 154^2 .

It is a cyclic number.

It is not a de Polignac number, because 64117 - 2³ = 64109 is a prime.

It is a super-2 number, since 2×64117² = 8221979378, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 64094 and 64103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234 + ... + 427.

It is an arithmetic number, because the mean of its divisors is an integer number (16219).

2⁶⁴¹¹⁷ is an apocalyptic number.

It is an amenable number.

64117 is a deficient number, since it is larger than the sum of its proper divisors (759).

64117 is an equidigital number, since it uses as much as digits as its factorization.

64117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758.

The product of its digits is 168, while the sum is 19.

The square root of 64117 is about 253.2133487792. The cubic root of 64117 is about 40.0243601616.

It can be divided in two parts, 64 and 117, that added together give a palindrome (181).

The spelling of 64117 in words is "sixty-four thousand, one hundred seventeen".