Search a number
-
+
520123 is a prime number
BaseRepresentation
bin1111110111110111011
3222102110211
41332332323
5113120443
615051551
74264252
oct1767673
9872424
10520123
1132585a
12210bb7
13152986
14d7799
15a419d
hex7efbb

520123 has 2 divisors, whose sum is σ = 520124. Its totient is φ = 520122.

The previous prime is 520111. The next prime is 520129. The reversal of 520123 is 321025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520123 - 29 = 519611 is a prime.

It is not a weakly prime, because it can be changed into another prime (520129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260061 + 260062.

It is an arithmetic number, because the mean of its divisors is an integer number (260062).

2520123 is an apocalyptic number.

520123 is a deficient number, since it is larger than the sum of its proper divisors (1).

520123 is an equidigital number, since it uses as much as digits as its factorization.

520123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 520123 is about 721.1955352053. The cubic root of 520123 is about 80.4208550472.

Adding to 520123 its reverse (321025), we get a palindrome (841148).

The spelling of 520123 in words is "five hundred twenty thousand, one hundred twenty-three".