80459 has 4 divisors (see below), whose sum is σ = 81840. Its totient is φ = 79080.
The previous prime is 80449. The next prime is 80471. The reversal of 80459 is 95408.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 80459 - 216 = 14923 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80429) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599 + ... + 720.
It is an arithmetic number, because the mean of its divisors is an integer number (20460).
280459 is an apocalyptic number.
80459 is a deficient number, since it is larger than the sum of its proper divisors (1381).
80459 is a wasteful number, since it uses less digits than its factorization.
80459 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1380.
The product of its (nonzero) digits is 1440, while the sum is 26.
The square root of 80459 is about 283.6529569738. The cubic root of 80459 is about 43.1709438243.
The spelling of 80459 in words is "eighty thousand, four hundred fifty-nine".
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