1018285 has 4 divisors (see below), whose sum is σ = 1221948. Its totient is φ = 814624.

The previous prime is 1018271. The next prime is 1018291. The reversal of 1018285 is 5828101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 784996 + 233289 = 886^2 + 483^2 .

It is a cyclic number.

It is not a de Polignac number, because 1018285 - 2⁵ = 1018253 is a prime.

It is a Duffinian number.

1018285 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101824 + ... + 101833.

It is an arithmetic number, because the mean of its divisors is an integer number (305487).

2^1018285 is an apocalyptic number.

It is an amenable number.

1018285 is a deficient number, since it is larger than the sum of its proper divisors (203663).

1018285 is an equidigital number, since it uses as much as digits as its factorization.

1018285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203662.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 1018285 is about 1009.1010851248. The cubic root of 1018285 is about 100.6058223808.

The spelling of 1018285 in words is "one million, eighteen thousand, two hundred eighty-five".