1053503 has 4 divisors (see below), whose sum is σ = 1149288. Its totient is φ = 957720.

The previous prime is 1053497. The next prime is 1053509. The reversal of 1053503 is 3053501.

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

It is an interprime number because it is at equal distance from previous prime (1053497) and next prime (1053509).

It is a cyclic number.

It is not a de Polignac number, because 1053503 - 2⁴ = 1053487 is a prime.

It is a super-2 number, since 2×1053503² = 2219737142018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053509) 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, 47876 + ... + 47897.

It is an arithmetic number, because the mean of its divisors is an integer number (287322).

2^1053503 is an apocalyptic number.

1053503 is a deficient number, since it is larger than the sum of its proper divisors (95785).

1053503 is an equidigital number, since it uses as much as digits as its factorization.

1053503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95784.

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 1053503 is about 1026.4029423185. The cubic root of 1053503 is about 101.7525399459.

The spelling of 1053503 in words is "one million, fifty-three thousand, five hundred three".