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317932553 is a prime number
BaseRepresentation
bin10010111100110…
…100010000001001
3211011020122110202
4102330310100021
51122342320203
651314221545
710610245031
oct2274642011
9734218422
10317932553
11153512484
128a5848b5
1350b39193
14303208c1
151cda2388
hex12f34409

317932553 has 2 divisors, whose sum is σ = 317932554. Its totient is φ = 317932552.

The previous prime is 317932523. The next prime is 317932561. The reversal of 317932553 is 355239713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 283686649 + 34245904 = 16843^2 + 5852^2 .

It is a cyclic number.

It is not a de Polignac number, because 317932553 - 226 = 250823689 is a prime.

It is a super-2 number, since 2×3179325532 = 202162216514195618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (317932523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158966276 + 158966277.

It is an arithmetic number, because the mean of its divisors is an integer number (158966277).

Almost surely, 2317932553 is an apocalyptic number.

It is an amenable number.

317932553 is a deficient number, since it is larger than the sum of its proper divisors (1).

317932553 is an equidigital number, since it uses as much as digits as its factorization.

317932553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85050, while the sum is 38.

The square root of 317932553 is about 17830.6632798671. The cubic root of 317932553 is about 682.5141596529.

The spelling of 317932553 in words is "three hundred seventeen million, nine hundred thirty-two thousand, five hundred fifty-three".