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71325841 is a prime number
BaseRepresentation
bin1000100000001…
…01100010010001
311222012201122211
410100011202101
5121224411331
611024432121
71524155026
oct420054221
9158181584
1071325841
1137297184
121ba78641
1311a14152
14968954d
1563dd8b1
hex4405891

71325841 has 2 divisors, whose sum is σ = 71325842. Its totient is φ = 71325840.

The previous prime is 71325811. The next prime is 71325847. The reversal of 71325841 is 14852317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47900241 + 23425600 = 6921^2 + 4840^2 .

It is a cyclic number.

It is not a de Polignac number, because 71325841 - 29 = 71325329 is a prime.

It is not a weakly prime, because it can be changed into another prime (71325847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35662920 + 35662921.

It is an arithmetic number, because the mean of its divisors is an integer number (35662921).

Almost surely, 271325841 is an apocalyptic number.

It is an amenable number.

71325841 is a deficient number, since it is larger than the sum of its proper divisors (1).

71325841 is an equidigital number, since it uses as much as digits as its factorization.

71325841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 71325841 is about 8445.4627463508. The cubic root of 71325841 is about 414.7142582303.

The spelling of 71325841 in words is "seventy-one million, three hundred twenty-five thousand, eight hundred forty-one".