50257 has 4 divisors (see below), whose sum is σ = 52020. Its totient is φ = 48496.
The previous prime is 50231. The next prime is 50261. The reversal of 50257 is 75205.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 24336 + 25921 = 156^2 + 161^2 .
It is a cyclic number.
It is not a de Polignac number, because 50257 - 27 = 50129 is a prime.
It is a Duffinian number.
50257 is a lucky number.
It is a plaindrome in base 14.
It is not an unprimeable number, because it can be changed into a prime (50207) 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, 838 + ... + 895.
It is an arithmetic number, because the mean of its divisors is an integer number (13005).
250257 is an apocalyptic number.
It is an amenable number.
50257 is a deficient number, since it is larger than the sum of its proper divisors (1763).
50257 is a wasteful number, since it uses less digits than its factorization.
50257 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1762.
The product of its (nonzero) digits is 350, while the sum is 19.
The square root of 50257 is about 224.1807306617. The cubic root of 50257 is about 36.9033268887.
The spelling of 50257 in words is "fifty thousand, two hundred fifty-seven".
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