65379 has 16 divisors (see below), whose sum is σ = 97280. Its totient is φ = 38880.
The previous prime is 65371. The next prime is 65381. The reversal of 65379 is 97356.
Added to its reverse (97356) it gives a triangular number (162735 = T570).
It is not a de Polignac number, because 65379 - 23 = 65371 is a prime.
Its product of digits (5670) is a multiple of the sum of its prime divisors (90).
It is a plaindrome in base 15.
It is a nialpdrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (65371) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1749 + ... + 1785.
It is an arithmetic number, because the mean of its divisors is an integer number (6080).
265379 is an apocalyptic number.
65379 is a deficient number, since it is larger than the sum of its proper divisors (31901).
65379 is a wasteful number, since it uses less digits than its factorization.
65379 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90.
The product of its digits is 5670, while the sum is 30.
The square root of 65379 is about 255.6931755053. The cubic root of 65379 is about 40.2852526049.
Adding to 65379 its reverse (97356), we get a triangular number (162735 = T570).
It can be divided in two parts, 65 and 379, that added together give a palindrome (444).
The spelling of 65379 in words is "sixty-five thousand, three hundred seventy-nine".
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