1002355252 has 12 divisors (see below), whose sum is σ = 1754676196. Its totient is φ = 501019200.

The previous prime is 1002355243. The next prime is 1002355267. The reversal of 1002355252 is 2525532001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 487791396 + 514563856 = 22086^2 + 22684^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24753 + ... + 51160.

Almost surely, 2^1002355252 is an apocalyptic number.

It is an amenable number.

1002355252 is a deficient number, since it is larger than the sum of its proper divisors (752320944).

1002355252 is a wasteful number, since it uses less digits than its factorization.

1002355252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79218 (or 79216 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1002355252 is about 31659.9945041057. The cubic root of 1002355252 is about 1000.7844684483.

Adding to 1002355252 its reverse (2525532001), we get a palindrome (3527887253).

The spelling of 1002355252 in words is "one billion, two million, three hundred fifty-five thousand, two hundred fifty-two".