1053531205 has 8 divisors (see below), whose sum is σ = 1275426072. Its totient is φ = 835365888.

The previous prime is 1053531197. The next prime is 1053531253. The reversal of 1053531205 is 5021353501.

It can be written as a sum of positive squares in 4 ways, for example, as 75030244 + 978500961 = 8662^2 + 31281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1053531205 - 2³ = 1053531197 is a prime.

It is a super-3 number, since 3×1053531205³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1053531205.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 931764 + ... + 932893.

It is an arithmetic number, because the mean of its divisors is an integer number (159428259).

Almost surely, 2^1053531205 is an apocalyptic number.

It is an amenable number.

1053531205 is a deficient number, since it is larger than the sum of its proper divisors (221894867).

1053531205 is a wasteful number, since it uses less digits than its factorization.

1053531205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864775.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 1053531205 is about 32458.1454337736. The cubic root of 1053531205 is about 1017.5344799734.

Adding to 1053531205 its reverse (5021353501), we get a palindrome (6074884706).

The spelling of 1053531205 in words is "one billion, fifty-three million, five hundred thirty-one thousand, two hundred five".