852944453 has 4 divisors (see below), whose sum is σ = 860492748. Its totient is φ = 845396160.

The previous prime is 852944441. The next prime is 852944471. The reversal of 852944453 is 354449258.

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 317623684 + 535320769 = 17822^2 + 23137^2 .

It is a cyclic number.

It is not a de Polignac number, because 852944453 - 2¹² = 852940357 is a prime.

It is a super-4 number, since 4×852944453⁴ (a number of 37 digits) contains 4444 as substring.

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 (852944413) 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, 3773978 + ... + 3774203.

It is an arithmetic number, because the mean of its divisors is an integer number (215123187).

Almost surely, 2^852944453 is an apocalyptic number.

It is an amenable number.

852944453 is a deficient number, since it is larger than the sum of its proper divisors (7548295).

852944453 is a wasteful number, since it uses less digits than its factorization.

852944453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7548294.

The product of its digits is 691200, while the sum is 44.

The square root of 852944453 is about 29205.2127710106. The cubic root of 852944453 is about 948.3607753614.

The spelling of 852944453 in words is "eight hundred fifty-two million, nine hundred forty-four thousand, four hundred fifty-three".