257059 has 4 divisors (see below), whose sum is σ = 280440. Its totient is φ = 233680.
The previous prime is 257053. The next prime is 257069. The reversal of 257059 is 950752.
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 257059 - 27 = 256931 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (257053) 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, 11674 + ... + 11695.
It is an arithmetic number, because the mean of its divisors is an integer number (70110).
2257059 is an apocalyptic number.
257059 is a deficient number, since it is larger than the sum of its proper divisors (23381).
257059 is a wasteful number, since it uses less digits than its factorization.
257059 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23380.
The product of its (nonzero) digits is 3150, while the sum is 28.
The square root of 257059 is about 507.0098618370. The cubic root of 257059 is about 63.5834767144.
The spelling of 257059 in words is "two hundred fifty-seven thousand, fifty-nine".
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