285253341 has 4 divisors (see below), whose sum is σ = 380337792. Its totient is φ = 190168892.

The previous prime is 285253301. The next prime is 285253361. The reversal of 285253341 is 143352582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 285253341 - 2²¹ = 283156189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285253301) 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, 47542221 + ... + 47542226.

It is an arithmetic number, because the mean of its divisors is an integer number (95084448).

Almost surely, 2^285253341 is an apocalyptic number.

It is an amenable number.

285253341 is a deficient number, since it is larger than the sum of its proper divisors (95084451).

285253341 is an equidigital number, since it uses as much as digits as its factorization.

285253341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95084450.

The product of its digits is 28800, while the sum is 33.

The square root of 285253341 is about 16889.4446622735. Note that the first 3 decimals coincide. The cubic root of 285253341 is about 658.2793726571.

The spelling of 285253341 in words is "two hundred eighty-five million, two hundred fifty-three thousand, three hundred forty-one".