313857853 has 2 divisors, whose sum is σ = 313857854. Its totient is φ = 313857852.

The previous prime is 313857851. The next prime is 313857883. The reversal of 313857853 is 358758313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208138329 + 105719524 = 14427^2 + 10282^2 .

It is a cyclic number.

It is not a de Polignac number, because 313857853 - 2¹ = 313857851 is a prime.

Together with 313857851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313857851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156928926 + 156928927.

It is an arithmetic number, because the mean of its divisors is an integer number (156928927).

Almost surely, 2^313857853 is an apocalyptic number.

It is an amenable number.

313857853 is a deficient number, since it is larger than the sum of its proper divisors (1).

313857853 is an equidigital number, since it uses as much as digits as its factorization.

313857853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 43.

The square root of 313857853 is about 17716.0337829888. The cubic root of 313857853 is about 679.5858586970.

The spelling of 313857853 in words is "three hundred thirteen million, eight hundred fifty-seven thousand, eight hundred fifty-three".