1002853565 has 32 divisors (see below), whose sum is σ = 1424726016. Its totient is φ = 663137280.

The previous prime is 1002853561. The next prime is 1002853583. The reversal of 1002853565 is 5653582001.

It is not a de Polignac number, because 1002853565 - 2² = 1002853561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002853561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 338129 + ... + 341081.

It is an arithmetic number, because the mean of its divisors is an integer number (44522688).

Almost surely, 2^1002853565 is an apocalyptic number.

It is an amenable number.

1002853565 is a deficient number, since it is larger than the sum of its proper divisors (421872451).

1002853565 is a wasteful number, since it uses less digits than its factorization.

1002853565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 1002853565 is about 31667.8632844087. The cubic root of 1002853565 is about 1000.9502850057.

The spelling of 1002853565 in words is "one billion, two million, eight hundred fifty-three thousand, five hundred sixty-five".