1004253403 has 8 divisors (see below), whose sum is σ = 1015210080. Its totient is φ = 993316800.

The previous prime is 1004253373. The next prime is 1004253407. The reversal of 1004253403 is 3043524001.

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

It is a cyclic number.

It is not a de Polignac number, because 1004253403 - 2¹³ = 1004245211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004253407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109626 + ... + 118432.

It is an arithmetic number, because the mean of its divisors is an integer number (126901260).

Almost surely, 2^1004253403 is an apocalyptic number.

1004253403 is a deficient number, since it is larger than the sum of its proper divisors (10956677).

1004253403 is a wasteful number, since it uses less digits than its factorization.

1004253403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10037.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1004253403 is about 31689.9574471156. The cubic root of 1004253403 is about 1001.4157955769.

Adding to 1004253403 its reverse (3043524001), we get a palindrome (4047777404).

The spelling of 1004253403 in words is "one billion, four million, two hundred fifty-three thousand, four hundred three".