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505319 is a prime number
BaseRepresentation
bin1111011010111100111
3221200011112
41323113213
5112132234
614455235
74203143
oct1732747
9850145
10505319
11315721
1220451b
13149009
14d2223
159eace
hex7b5e7

505319 has 2 divisors, whose sum is σ = 505320. Its totient is φ = 505318.

The previous prime is 505313. The next prime is 505321. The reversal of 505319 is 913505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505319 - 212 = 501223 is a prime.

It is a super-2 number, since 2×5053192 = 510694583522, which contains 22 as substring.

Together with 505321, 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 = 505294 and 505303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252659 + 252660.

It is an arithmetic number, because the mean of its divisors is an integer number (252660).

2505319 is an apocalyptic number.

505319 is a deficient number, since it is larger than the sum of its proper divisors (1).

505319 is an equidigital number, since it uses as much as digits as its factorization.

505319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 505319 is about 710.8579323606. The cubic root of 505319 is about 79.6505066534.

The spelling of 505319 in words is "five hundred five thousand, three hundred nineteen".