285119 has 2 divisors, whose sum is σ = 285120. Its totient is φ = 285118.

The previous prime is 285113. The next prime is 285121. The reversal of 285119 is 911582.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 285119 - 2¹² = 281023 is a prime.

It is a super-2 number, since 2×285119² = 162585688322, which contains 22 as substring.

Together with 285121, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12 and base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142559 + 142560.

It is an arithmetic number, because the mean of its divisors is an integer number (142560).

2²⁸⁵¹¹⁹ is an apocalyptic number.

285119 is a deficient number, since it is larger than the sum of its proper divisors (1).

285119 is an equidigital number, since it uses as much as digits as its factorization.

285119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 26.

The square root of 285119 is about 533.9653546814. The cubic root of 285119 is about 65.8176016818.

It can be divided in two parts, 285 and 119, that added together give a palindrome (404).

The spelling of 285119 in words is "two hundred eighty-five thousand, one hundred nineteen".