1043052403 has 4 divisors (see below), whose sum is σ = 1044476128. Its totient is φ = 1041628680.

The previous prime is 1043052389. The next prime is 1043052421. The reversal of 1043052403 is 3042503401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1043052403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043052463) 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, 710763 + ... + 712228.

It is an arithmetic number, because the mean of its divisors is an integer number (261119032).

Almost surely, 2^1043052403 is an apocalyptic number.

1043052403 is a deficient number, since it is larger than the sum of its proper divisors (1423725).

1043052403 is an equidigital number, since it uses as much as digits as its factorization.

1043052403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423724.

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

The square root of 1043052403 is about 32296.3218184362. The cubic root of 1043052403 is about 1014.1496442559.

Adding to 1043052403 its reverse (3042503401), we get a palindrome (4085555804).

The spelling of 1043052403 in words is "one billion, forty-three million, fifty-two thousand, four hundred three".