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1318463 is a prime number
BaseRepresentation
bin101000001111000111111
32110222120222
411001320333
5314142323
644131555
714130626
oct5017077
92428528
101318463
11820643
12536bbb
13372173
142646bd
151b09c8
hex141e3f

1318463 has 2 divisors, whose sum is σ = 1318464. Its totient is φ = 1318462.

The previous prime is 1318459. The next prime is 1318477. The reversal of 1318463 is 3648131.

It is a weak prime.

It is an emirp because it is prime and its reverse (3648131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1318463 - 22 = 1318459 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1318063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659231 + 659232.

It is an arithmetic number, because the mean of its divisors is an integer number (659232).

21318463 is an apocalyptic number.

1318463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318463 is an equidigital number, since it uses as much as digits as its factorization.

1318463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

The square root of 1318463 is about 1148.2434410873. The cubic root of 1318463 is about 109.6535380093.

The spelling of 1318463 in words is "one million, three hundred eighteen thousand, four hundred sixty-three".