257119 has 4 divisors (see below), whose sum is σ = 258496. Its totient is φ = 255744.

The previous prime is 257107. The next prime is 257123. The reversal of 257119 is 911752.

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 257119 - 2¹¹ = 255071 is a prime.

It is a super-2 number, since 2×257119² = 132220360322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 257093 and 257102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354 + ... + 799.

It is an arithmetic number, because the mean of its divisors is an integer number (64624).

2²⁵⁷¹¹⁹ is an apocalyptic number.

257119 is a deficient number, since it is larger than the sum of its proper divisors (1377).

257119 is a wasteful number, since it uses less digits than its factorization.

257119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376.

The product of its digits is 630, while the sum is 25.

The square root of 257119 is about 507.0690288314. The cubic root of 257119 is about 63.5884233244.

It can be divided in two parts, 2 and 57119, that added together give a square (57121 = 239²).

The spelling of 257119 in words is "two hundred fifty-seven thousand, one hundred nineteen".