1053535403 has 16 divisors (see below), whose sum is σ = 1141877760. Its totient is φ = 969645600.

The previous prime is 1053535391. The next prime is 1053535423. The reversal of 1053535403 is 3045353501.

It is a cyclic number.

It is not a de Polignac number, because 1053535403 - 2⁴ = 1053535387 is a prime.

It is a super-2 number, since 2×1053535403² = 2219873690748744818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053535423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51488 + ... + 68978.

It is an arithmetic number, because the mean of its divisors is an integer number (71367360).

Almost surely, 2^1053535403 is an apocalyptic number.

1053535403 is a deficient number, since it is larger than the sum of its proper divisors (88342357).

1053535403 is a wasteful number, since it uses less digits than its factorization.

1053535403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17618.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 1053535403 is about 32458.2101016060. The cubic root of 1053535403 is about 1017.5358314930.

Adding to 1053535403 its reverse (3045353501), we get a palindrome (4098888904).

The spelling of 1053535403 in words is "one billion, fifty-three million, five hundred thirty-five thousand, four hundred three".