285053003 has 4 divisors (see below), whose sum is σ = 285273408. Its totient is φ = 284832600.

The previous prime is 285052997. The next prime is 285053011. The reversal of 285053003 is 300350582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 285053003 - 2¹⁰ = 285051979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285055003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108251 + ... + 110852.

It is an arithmetic number, because the mean of its divisors is an integer number (71318352).

Almost surely, 2^285053003 is an apocalyptic number.

285053003 is a deficient number, since it is larger than the sum of its proper divisors (220405).

285053003 is a wasteful number, since it uses less digits than its factorization.

285053003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220404.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 285053003 is about 16883.5127565326. The cubic root of 285053003 is about 658.1252298426.

The spelling of 285053003 in words is "two hundred eighty-five million, fifty-three thousand, three".