1000802052 has 18 divisors (see below), whose sum is σ = 2529805278. Its totient is φ = 333600672.

The previous prime is 1000802017. The next prime is 1000802071. The reversal of 1000802052 is 2502080001.

It can be written as a sum of positive squares in only one way, i.e., 867538116 + 133263936 = 29454^2 + 11544^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13899993 + ... + 13900064.

Almost surely, 2^1000802052 is an apocalyptic number.

1000802052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000802052 is an abundant number, since it is smaller than the sum of its proper divisors (1529003226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000802052 is a wasteful number, since it uses less digits than its factorization.

1000802052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27800067 (or 27800062 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1000802052 is about 31635.4556154957. The cubic root of 1000802052 is about 1000.2672792221.

Adding to 1000802052 its reverse (2502080001), we get a palindrome (3502882053).

The spelling of 1000802052 in words is "one billion, eight hundred two thousand, fifty-two".