285271235 has 8 divisors (see below), whose sum is σ = 350675136. Its totient is φ = 222650560.

The previous prime is 285271223. The next prime is 285271241. The reversal of 285271235 is 532172582.

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

It is not a de Polignac number, because 285271235 - 2⁶ = 285271171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 285271195 and 285271204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695579 + ... + 695988.

It is an arithmetic number, because the mean of its divisors is an integer number (43834392).

Almost surely, 2^285271235 is an apocalyptic number.

285271235 is a deficient number, since it is larger than the sum of its proper divisors (65403901).

285271235 is a wasteful number, since it uses less digits than its factorization.

285271235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391613.

The product of its digits is 33600, while the sum is 35.

The square root of 285271235 is about 16889.9743931126. The cubic root of 285271235 is about 658.2931370355.

The spelling of 285271235 in words is "two hundred eighty-five million, two hundred seventy-one thousand, two hundred thirty-five".