853464613 has 2 divisors, whose sum is σ = 853464614. Its totient is φ = 853464612.

The previous prime is 853464589. The next prime is 853464631. The reversal of 853464613 is 316464358.

853464613 = 20657² + 20658².

Together with next prime (853464631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426752964 + 426711649 = 20658^2 + 20657^2 .

It is a cyclic number.

It is not a de Polignac number, because 853464613 - 2⁵ = 853464581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853464643) by changing a digit.

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 as a sum of consecutive naturals, namely, 426732306 + 426732307.

It is an arithmetic number, because the mean of its divisors is an integer number (426732307).

Almost surely, 2^853464613 is an apocalyptic number.

853464613 is the 20658-th centered square number.

It is an amenable number.

853464613 is a deficient number, since it is larger than the sum of its proper divisors (1).

853464613 is an equidigital number, since it uses as much as digits as its factorization.

853464613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 40.

The square root of 853464613 is about 29214.1166732797. The cubic root of 853464613 is about 948.5535190957.

The spelling of 853464613 in words is "eight hundred fifty-three million, four hundred sixty-four thousand, six hundred thirteen".