853381513 has 4 divisors (see below), whose sum is σ = 854355460. Its totient is φ = 852407568.

The previous prime is 853381499. The next prime is 853381559. The reversal of 853381513 is 315183358.

853381513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 404492544 + 448888969 = 20112^2 + 21187^2 .

It is a cyclic number.

It is not a de Polignac number, because 853381513 - 2⁵ = 853381481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853381583) 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, 485658 + ... + 487411.

It is an arithmetic number, because the mean of its divisors is an integer number (213588865).

Almost surely, 2^853381513 is an apocalyptic number.

It is an amenable number.

853381513 is a deficient number, since it is larger than the sum of its proper divisors (973947).

853381513 is an equidigital number, since it uses as much as digits as its factorization.

853381513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973946.

The product of its digits is 43200, while the sum is 37.

The square root of 853381513 is about 29212.6943810392. The cubic root of 853381513 is about 948.5227318962.

The spelling of 853381513 in words is "eight hundred fifty-three million, three hundred eighty-one thousand, five hundred thirteen".