1053534403 has 4 divisors (see below), whose sum is σ = 1053605488. Its totient is φ = 1053463320.

The previous prime is 1053534379. The next prime is 1053534409. The reversal of 1053534403 is 3044353501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3044353501 = 7 ⋅434907643.

It is a cyclic number.

It is not a de Polignac number, because 1053534403 - 2⁹ = 1053533891 is a prime.

It is a super-2 number, since 2×1053534403² = 2219869476609132818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053534409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3951 + ... + 46072.

It is an arithmetic number, because the mean of its divisors is an integer number (263401372).

Almost surely, 2^1053534403 is an apocalyptic number.

1053534403 is a deficient number, since it is larger than the sum of its proper divisors (71085).

1053534403 is an equidigital number, since it uses as much as digits as its factorization.

1053534403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71084.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 1053534403 is about 32458.1946971793. The cubic root of 1053534403 is about 1017.5355095496.

Adding to 1053534403 its reverse (3044353501), we get a palindrome (4097887904).

The spelling of 1053534403 in words is "one billion, fifty-three million, five hundred thirty-four thousand, four hundred three".