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316566253 is a prime number
BaseRepresentation
bin10010110111100…
…110101011101101
3211001200020021001
4102313212223231
51122020110003
651225040301
710562524453
oct2267465355
9731606231
10316566253
11152769a03
128a026091
135077b313
14300869d3
151cbd261d
hex12de6aed

316566253 has 2 divisors, whose sum is σ = 316566254. Its totient is φ = 316566252.

The previous prime is 316566251. The next prime is 316566259. The reversal of 316566253 is 352665613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239073444 + 77492809 = 15462^2 + 8803^2 .

It is an emirp because it is prime and its reverse (352665613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316566253 - 21 = 316566251 is a prime.

Together with 316566251, 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 (316566251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158283126 + 158283127.

It is an arithmetic number, because the mean of its divisors is an integer number (158283127).

Almost surely, 2316566253 is an apocalyptic number.

It is an amenable number.

316566253 is a deficient number, since it is larger than the sum of its proper divisors (1).

316566253 is an equidigital number, since it uses as much as digits as its factorization.

316566253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 37.

The square root of 316566253 is about 17792.3088158901. The cubic root of 316566253 is about 681.5350650780.

The spelling of 316566253 in words is "three hundred sixteen million, five hundred sixty-six thousand, two hundred fifty-three".