1004253343 has 4 divisors (see below), whose sum is σ = 1005806160. Its totient is φ = 1002700528.

The previous prime is 1004253329. The next prime is 1004253353. The reversal of 1004253343 is 3433524001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1004253343 - 2⁵ = 1004253311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004253353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775438 + ... + 776731.

It is an arithmetic number, because the mean of its divisors is an integer number (251451540).

Almost surely, 2^1004253343 is an apocalyptic number.

1004253343 is a deficient number, since it is larger than the sum of its proper divisors (1552817).

1004253343 is an equidigital number, since it uses as much as digits as its factorization.

1004253343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552816.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1004253343 is about 31689.9565004435. The cubic root of 1004253343 is about 1001.4157756334.

Adding to 1004253343 its reverse (3433524001), we get a palindrome (4437777344).

The spelling of 1004253343 in words is "one billion, four million, two hundred fifty-three thousand, three hundred forty-three".