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1405310017 is a prime number
BaseRepresentation
bin101001111000011…
…0101010001000001
310121221100010221011
41103300311101001
510334224410032
6351240400521
746552636516
oct12360652101
93557303834
101405310017
11661296241
12332776141
131951ba6b7
14d48d530d
1583593247
hex53c35441

1405310017 has 2 divisors, whose sum is σ = 1405310018. Its totient is φ = 1405310016.

The previous prime is 1405310003. The next prime is 1405310021. The reversal of 1405310017 is 7100135041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1056965121 + 348344896 = 32511^2 + 18664^2 .

It is a cyclic number.

It is not a de Polignac number, because 1405310017 - 215 = 1405277249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1405310017.

It is not a weakly prime, because it can be changed into another prime (1405310057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702655008 + 702655009.

It is an arithmetic number, because the mean of its divisors is an integer number (702655009).

Almost surely, 21405310017 is an apocalyptic number.

It is an amenable number.

1405310017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405310017 is an equidigital number, since it uses as much as digits as its factorization.

1405310017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1405310017 is about 37487.4647982496. The cubic root of 1405310017 is about 1120.1015046716.

Adding to 1405310017 its reverse (7100135041), we get a palindrome (8505445058).

The spelling of 1405310017 in words is "one billion, four hundred five million, three hundred ten thousand, seventeen".