285413 has 8 divisors (see below), whose sum is σ = 307008. Its totient is φ = 264384.

The previous prime is 285377. The next prime is 285421. The reversal of 285413 is 314582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 285413 - 2¹² = 281317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1670 + ... + 1832.

It is an arithmetic number, because the mean of its divisors is an integer number (38376).

2²⁸⁵⁴¹³ is an apocalyptic number.

It is an amenable number.

285413 is a deficient number, since it is larger than the sum of its proper divisors (21595).

285413 is a wasteful number, since it uses less digits than its factorization.

285413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283.

The product of its digits is 960, while the sum is 23.

The square root of 285413 is about 534.2405825094. The cubic root of 285413 is about 65.8402164820.

Subtracting from 285413 its sum of digits (23), we obtain a triangular number (285390 = T₇₅₅).

Adding to 285413 its reverse (314582), we get a palindrome (599995).

The spelling of 285413 in words is "two hundred eighty-five thousand, four hundred thirteen".