1004253243 has 8 divisors (see below), whose sum is σ = 1530290688. Its totient is φ = 573858984.

The previous prime is 1004253233. The next prime is 1004253253. The reversal of 1004253243 is 3423524001.

It is an interprime number because it is at equal distance from previous prime (1004253233) and next prime (1004253253).

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

It is not a de Polignac number, because 1004253243 - 2⁹ = 1004252731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1004253233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23910771 + ... + 23910812.

It is an arithmetic number, because the mean of its divisors is an integer number (191286336).

Almost surely, 2^1004253243 is an apocalyptic number.

1004253243 is a deficient number, since it is larger than the sum of its proper divisors (526037445).

1004253243 is an equidigital number, since it uses as much as digits as its factorization.

1004253243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47821593.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1004253243 is about 31689.9549226565. The cubic root of 1004253243 is about 1001.4157423943.

Adding to 1004253243 its reverse (3423524001), we get a palindrome (4427777244).

The spelling of 1004253243 in words is "one billion, four million, two hundred fifty-three thousand, two hundred forty-three".