853678313 has 2 divisors, whose sum is σ = 853678314. Its totient is φ = 853678312.

The previous prime is 853678247. The next prime is 853678321. The reversal of 853678313 is 313876358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 677665024 + 176013289 = 26032^2 + 13267^2 .

It is a cyclic number.

It is not a de Polignac number, because 853678313 - 2⁸ = 853678057 is a prime.

It is not a weakly prime, because it can be changed into another prime (853678363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426839156 + 426839157.

It is an arithmetic number, because the mean of its divisors is an integer number (426839157).

Almost surely, 2^853678313 is an apocalyptic number.

It is an amenable number.

853678313 is a deficient number, since it is larger than the sum of its proper divisors (1).

853678313 is an equidigital number, since it uses as much as digits as its factorization.

853678313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 853678313 is about 29217.7739227341. The cubic root of 853678313 is about 948.6326822961.

The spelling of 853678313 in words is "eight hundred fifty-three million, six hundred seventy-eight thousand, three hundred thirteen".