285850253 has 16 divisors (see below), whose sum is σ = 316141056. Its totient is φ = 256825920.

The previous prime is 285850241. The next prime is 285850259. The reversal of 285850253 is 352058582.

It is not a de Polignac number, because 285850253 - 2¹⁰ = 285849229 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 (285850259) 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 15 ways as a sum of consecutive naturals, for example, 88676 + ... + 91842.

It is an arithmetic number, because the mean of its divisors is an integer number (19758816).

Almost surely, 2^285850253 is an apocalyptic number.

It is an amenable number.

285850253 is a deficient number, since it is larger than the sum of its proper divisors (30290803).

285850253 is a wasteful number, since it uses less digits than its factorization.

285850253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364.

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 285850253 is about 16907.1065827361. The cubic root of 285850253 is about 658.7382175243.

The spelling of 285850253 in words is "two hundred eighty-five million, eight hundred fifty thousand, two hundred fifty-three".