1053533 has 4 divisors (see below), whose sum is σ = 1134588. Its totient is φ = 972480.

The previous prime is 1053529. The next prime is 1053539. The reversal of 1053533 is 3353501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 344569 + 708964 = 587^2 + 842^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053533 - 2² = 1053529 is a prime.

It is a super-2 number, since 2×1053533² = 2219863564178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053539) 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, 40508 + ... + 40533.

It is an arithmetic number, because the mean of its divisors is an integer number (283647).

2^1053533 is an apocalyptic number.

1053533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1053533 is a deficient number, since it is larger than the sum of its proper divisors (81055).

1053533 is an equidigital number, since it uses as much as digits as its factorization.

1053533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81054.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 1053533 is about 1026.4175563580. The cubic root of 1053533 is about 101.7535057863.

Subtracting 1053533 from its reverse (3353501), we obtain a cube (2299968 = 132³).

The spelling of 1053533 in words is "one million, fifty-three thousand, five hundred thirty-three".