64365 has 16 divisors (see below), whose sum is σ = 117888. Its totient is φ = 29376.
The previous prime is 64333. The next prime is 64373. The reversal of 64365 is 56346.
It is not a de Polignac number, because 64365 - 25 = 64333 is a prime.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 64365.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202 + ... + 411.
It is an arithmetic number, because the mean of its divisors is an integer number (7368).
264365 is an apocalyptic number.
It is an amenable number.
64365 is a deficient number, since it is larger than the sum of its proper divisors (53523).
64365 is a wasteful number, since it uses less digits than its factorization.
64365 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 628.
The product of its digits is 2160, while the sum is 24.
The square root of 64365 is about 253.7025817764. The cubic root of 64365 is about 40.0758975646.
It can be divided in two parts, 6436 and 5, that added together give a triangular number (6441 = T113).
The spelling of 64365 in words is "sixty-four thousand, three hundred sixty-five".
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