857316533 has 2 divisors, whose sum is σ = 857316534. Its totient is φ = 857316532.

The previous prime is 857316527. The next prime is 857316539. The reversal of 857316533 is 335613758.

It is a balanced prime because it is at equal distance from previous prime (857316527) and next prime (857316539).

It can be written as a sum of positive squares in only one way, i.e., 779135569 + 78180964 = 27913^2 + 8842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-857316533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (857316539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428658266 + 428658267.

It is an arithmetic number, because the mean of its divisors is an integer number (428658267).

Almost surely, 2^857316533 is an apocalyptic number.

It is an amenable number.

857316533 is a deficient number, since it is larger than the sum of its proper divisors (1).

857316533 is an equidigital number, since it uses as much as digits as its factorization.

857316533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 41.

The square root of 857316533 is about 29279.9681181520. The cubic root of 857316533 is about 949.9784050493.

The spelling of 857316533 in words is "eight hundred fifty-seven million, three hundred sixteen thousand, five hundred thirty-three".