285065103 has 16 divisors (see below), whose sum is σ = 390208896. Its totient is φ = 185011680.

The previous prime is 285065093. The next prime is 285065141. The reversal of 285065103 is 301560582.

It is not a de Polignac number, because 285065103 - 2¹⁰ = 285064079 is a prime.

It is a super-2 number, since 2×285065103² = 162524225896801218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285065153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37408 + ... + 44378.

It is an arithmetic number, because the mean of its divisors is an integer number (24388056).

Almost surely, 2^285065103 is an apocalyptic number.

285065103 is a deficient number, since it is larger than the sum of its proper divisors (105143793).

285065103 is a wasteful number, since it uses less digits than its factorization.

285065103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7334.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 285065103 is about 16883.8710904816. The cubic root of 285065103 is about 658.1345417981.

The spelling of 285065103 in words is "two hundred eighty-five million, sixty-five thousand, one hundred three".