64375 has 10 divisors (see below), whose sum is σ = 81224. Its totient is φ = 51000.
The previous prime is 64373. The next prime is 64381. The reversal of 64375 is 57346.
It is not a de Polignac number, because 64375 - 21 = 64373 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
64375 is a lucky number.
It is a plaindrome in base 13.
It is a nialpdrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64373) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 574 + ... + 676.
264375 is an apocalyptic number.
64375 is a deficient number, since it is larger than the sum of its proper divisors (16849).
64375 is an equidigital number, since it uses as much as digits as its factorization.
64375 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123 (or 108 counting only the distinct ones).
The product of its digits is 2520, while the sum is 25.
The square root of 64375 is about 253.7222891273. The cubic root of 64375 is about 40.0779729069.
The spelling of 64375 in words is "sixty-four thousand, three hundred seventy-five".
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