317240533 has 2 divisors, whose sum is σ = 317240534. Its totient is φ = 317240532.

The previous prime is 317240531. The next prime is 317240551. The reversal of 317240533 is 335042713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226743364 + 90497169 = 15058^2 + 9513^2 .

It is a cyclic number.

It is not a de Polignac number, because 317240533 - 2¹ = 317240531 is a prime.

Together with 317240531, it forms a pair of twin primes.

It is equal to p_17134444 and since 317240533 and 17134444 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317240531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158620266 + 158620267.

It is an arithmetic number, because the mean of its divisors is an integer number (158620267).

Almost surely, 2^317240533 is an apocalyptic number.

It is an amenable number.

317240533 is a deficient number, since it is larger than the sum of its proper divisors (1).

317240533 is an equidigital number, since it uses as much as digits as its factorization.

317240533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 317240533 is about 17811.2473734997. The cubic root of 317240533 is about 682.0186074334.

The spelling of 317240533 in words is "three hundred seventeen million, two hundred forty thousand, five hundred thirty-three".