285503241 has 8 divisors (see below), whose sum is σ = 386911744. Its totient is φ = 187215120.

The previous prime is 285503237. The next prime is 285503249. The reversal of 285503241 is 142305582.

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

It is not a de Polignac number, because 285503241 - 2² = 285503237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 285503199 and 285503208.

It is not an unprimeable number, because it can be changed into a prime (285503249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779881 + ... + 780246.

It is an arithmetic number, because the mean of its divisors is an integer number (48363968).

Almost surely, 2^285503241 is an apocalyptic number.

It is an amenable number.

285503241 is a deficient number, since it is larger than the sum of its proper divisors (101408503).

285503241 is a wasteful number, since it uses less digits than its factorization.

285503241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560191.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 285503241 is about 16896.8411544880. The cubic root of 285503241 is about 658.4715480281.

The spelling of 285503241 in words is "two hundred eighty-five million, five hundred three thousand, two hundred forty-one".