1073539853 has 4 divisors (see below), whose sum is σ = 1073921628. Its totient is φ = 1073158080.

The previous prime is 1073539829. The next prime is 1073539897. The reversal of 1073539853 is 3589353701.

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 489205924 + 584333929 = 22118^2 + 24173^2 .

It is a cyclic number.

It is not a de Polignac number, because 1073539853 - 2²⁶ = 1006430989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073539823) 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, 186638 + ... + 192303.

It is an arithmetic number, because the mean of its divisors is an integer number (268480407).

Almost surely, 2^1073539853 is an apocalyptic number.

It is an amenable number.

1073539853 is a deficient number, since it is larger than the sum of its proper divisors (381775).

1073539853 is an equidigital number, since it uses as much as digits as its factorization.

1073539853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381774.

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 1073539853 is about 32764.9180221773. The cubic root of 1073539853 is about 1023.9357911221.

The spelling of 1073539853 in words is "one billion, seventy-three million, five hundred thirty-nine thousand, eight hundred fifty-three".