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5179362581 is a prime number
BaseRepresentation
bin1001101001011011…
…01100110100010101
3111100221212212202202
410310231230310111
541101404100311
62213535414245
7242230566311
oct46455546425
914327785682
105179362581
112218684848
121006684385
1364706b5b3
14371c30b41
15204a85e3b
hex134b6cd15

5179362581 has 2 divisors, whose sum is σ = 5179362582. Its totient is φ = 5179362580.

The previous prime is 5179362577. The next prime is 5179362583. The reversal of 5179362581 is 1852639715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4727800081 + 451562500 = 68759^2 + 21250^2 .

It is a cyclic number.

It is not a de Polignac number, because 5179362581 - 22 = 5179362577 is a prime.

It is a super-2 number, since 2×51793625812 = 53651593490925963122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 5179362583, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5179362583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2589681290 + 2589681291.

It is an arithmetic number, because the mean of its divisors is an integer number (2589681291).

Almost surely, 25179362581 is an apocalyptic number.

It is an amenable number.

5179362581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5179362581 is an equidigital number, since it uses as much as digits as its factorization.

5179362581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 47.

The square root of 5179362581 is about 71967.7884959653. The cubic root of 5179362581 is about 1730.1832566739.

The spelling of 5179362581 in words is "five billion, one hundred seventy-nine million, three hundred sixty-two thousand, five hundred eighty-one".