1005253066 has 8 divisors (see below), whose sum is σ = 1509582240. Its totient is φ = 502058988.

The previous prime is 1005253049. The next prime is 1005253087. The reversal of 1005253066 is 6603525001.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 281556 + ... + 285103.

It is an arithmetic number, because the mean of its divisors is an integer number (188697780).

Almost surely, 2^1005253066 is an apocalyptic number.

1005253066 is a deficient number, since it is larger than the sum of its proper divisors (504329174).

1005253066 is an equidigital number, since it uses as much as digits as its factorization.

1005253066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567548.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 1005253066 is about 31705.7260758999. The cubic root of 1005253066 is about 1001.7479648387.

Adding to 1005253066 its reverse (6603525001), we get a palindrome (7608778067).

The spelling of 1005253066 in words is "one billion, five million, two hundred fifty-three thousand, sixty-six".