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1672051331 is a prime number
BaseRepresentation
bin110001110101001…
…0111101010000011
311022112021000020002
41203222113222003
511411021120311
6433525510215
756302126136
oct14352275203
94275230202
101672051331
11788913a05
123a7b7236b
132085421b2
1411c0cc21d
159bbd293b
hex63a97a83

1672051331 has 2 divisors, whose sum is σ = 1672051332. Its totient is φ = 1672051330.

The previous prime is 1672051313. The next prime is 1672051333. The reversal of 1672051331 is 1331502761.

Together with previous prime (1672051313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (1331502761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1672051331 - 26 = 1672051267 is a prime.

It is a super-2 number, since 2×16720513312 = 5591511306997743122, which contains 22 as substring.

Together with 1672051333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1672051294 and 1672051303.

It is not a weakly prime, because it can be changed into another prime (1672051333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836025665 + 836025666.

It is an arithmetic number, because the mean of its divisors is an integer number (836025666).

Almost surely, 21672051331 is an apocalyptic number.

1672051331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672051331 is an equidigital number, since it uses as much as digits as its factorization.

1672051331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 1672051331 is about 40890.7242660240. The cubic root of 1672051331 is about 1186.9065739840.

The spelling of 1672051331 in words is "one billion, six hundred seventy-two million, fifty-one thousand, three hundred thirty-one".