79251 has 4 divisors (see below), whose sum is σ = 105672. Its totient is φ = 52832.
The previous prime is 79241. The next prime is 79259. The reversal of 79251 is 15297.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15297 = 3 ⋅5099.
It is a cyclic number.
It is not a de Polignac number, because 79251 - 26 = 79187 is a prime.
It is a D-number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 79251.
It is not an unprimeable number, because it can be changed into a prime (79259) 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, 13206 + ... + 13211.
It is an arithmetic number, because the mean of its divisors is an integer number (26418).
279251 is an apocalyptic number.
79251 is a deficient number, since it is larger than the sum of its proper divisors (26421).
79251 is a wasteful number, since it uses less digits than its factorization.
79251 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26420.
The product of its digits is 630, while the sum is 24.
The square root of 79251 is about 281.5155413117. The cubic root of 79251 is about 42.9537993055.
The spelling of 79251 in words is "seventy-nine thousand, two hundred fifty-one".
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