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317257153 is a prime number
BaseRepresentation
bin10010111010001…
…111010111000001
3211002222022222221
4102322033113001
51122204212103
651251531041
710601432653
oct2272172701
9732868887
10317257153
111530a0aa4
128a2b9a81
1350960935
14301c66d3
151ccbc1bd
hex12e8f5c1

317257153 has 2 divisors, whose sum is σ = 317257154. Its totient is φ = 317257152.

The previous prime is 317257141. The next prime is 317257159. The reversal of 317257153 is 351752713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206439424 + 110817729 = 14368^2 + 10527^2 .

It is a cyclic number.

It is not a de Polignac number, because 317257153 - 25 = 317257121 is a prime.

It is a super-2 number, since 2×3172571532 = 201304202259330818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (317257159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158628576 + 158628577.

It is an arithmetic number, because the mean of its divisors is an integer number (158628577).

Almost surely, 2317257153 is an apocalyptic number.

It is an amenable number.

317257153 is a deficient number, since it is larger than the sum of its proper divisors (1).

317257153 is an equidigital number, since it uses as much as digits as its factorization.

317257153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22050, while the sum is 34.

The square root of 317257153 is about 17811.7139265148. The cubic root of 317257153 is about 682.0305173778.

The spelling of 317257153 in words is "three hundred seventeen million, two hundred fifty-seven thousand, one hundred fifty-three".