1002853 has 2 divisors, whose sum is σ = 1002854. Its totient is φ = 1002852.

The previous prime is 1002851. The next prime is 1002857. The reversal of 1002853 is 3582001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 543169 + 459684 = 737^2 + 678^2 .

It is an emirp because it is prime and its reverse (3582001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002853 - 2¹ = 1002851 is a prime.

Together with 1002851, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1002853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501426 + 501427.

It is an arithmetic number, because the mean of its divisors is an integer number (501427).

2^1002853 is an apocalyptic number.

It is an amenable number.

1002853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002853 is an equidigital number, since it uses as much as digits as its factorization.

1002853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1002853 is about 1001.4254839977. The cubic root of 1002853 is about 100.0950097030.

Adding to 1002853 its reverse (3582001), we get a palindrome (4584854).

The spelling of 1002853 in words is "one million, two thousand, eight hundred fifty-three".