1043563453 has 4 divisors (see below), whose sum is σ = 1049027328. Its totient is φ = 1038099580.

The previous prime is 1043563441. The next prime is 1043563471. The reversal of 1043563453 is 3543653401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1043563453 - 2⁵ = 1043563421 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 (1043563253) 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, 2731651 + ... + 2732032.

It is an arithmetic number, because the mean of its divisors is an integer number (262256832).

Almost surely, 2^1043563453 is an apocalyptic number.

It is an amenable number.

1043563453 is a deficient number, since it is larger than the sum of its proper divisors (5463875).

1043563453 is an equidigital number, since it uses as much as digits as its factorization.

1043563453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5463874.

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 1043563453 is about 32304.2327412369. The cubic root of 1043563453 is about 1014.3152468508.

The spelling of 1043563453 in words is "one billion, forty-three million, five hundred sixty-three thousand, four hundred fifty-three".