285061213 has 8 divisors (see below), whose sum is σ = 304404480. Its totient is φ = 266352240.

The previous prime is 285061201. The next prime is 285061247. The reversal of 285061213 is 312160582.

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

It is not a de Polignac number, because 285061213 - 2⁵ = 285061181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285061813) 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, 157645 + ... + 159442.

It is an arithmetic number, because the mean of its divisors is an integer number (38050560).

Almost surely, 2^285061213 is an apocalyptic number.

It is an amenable number.

285061213 is a deficient number, since it is larger than the sum of its proper divisors (19343267).

285061213 is a wasteful number, since it uses less digits than its factorization.

285061213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317147.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 285061213 is about 16883.7558913886. The cubic root of 285061213 is about 658.1315481486.

The spelling of 285061213 in words is "two hundred eighty-five million, sixty-one thousand, two hundred thirteen".