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494519 is a prime number
BaseRepresentation
bin1111000101110110111
3221010100112
41320232313
5111311034
614333235
74126514
oct1705667
9833315
10494519
113085a3
121ba21b
1314411c
14cc30b
159b7ce
hex78bb7

494519 has 2 divisors, whose sum is σ = 494520. Its totient is φ = 494518.

The previous prime is 494497. The next prime is 494521. The reversal of 494519 is 915494.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-494519 is a prime.

It is a super-2 number, since 2×4945192 = 489098082722, which contains 22 as substring.

Together with 494521, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494539) 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, 247259 + 247260.

It is an arithmetic number, because the mean of its divisors is an integer number (247260).

2494519 is an apocalyptic number.

494519 is a deficient number, since it is larger than the sum of its proper divisors (1).

494519 is an equidigital number, since it uses as much as digits as its factorization.

494519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 32.

The square root of 494519 is about 703.2204490770. The cubic root of 494519 is about 79.0789681985.

The spelling of 494519 in words is "four hundred ninety-four thousand, five hundred nineteen".