Search a number
-
+
511013 is a prime number
BaseRepresentation
bin1111100110000100101
3221221222102
41330300211
5112323023
614541445
74225556
oct1746045
9857872
10511013
11319a28
12207885
1314b799
14d432d
15a1628
hex7cc25

511013 has 2 divisors, whose sum is σ = 511014. Its totient is φ = 511012.

The previous prime is 511001. The next prime is 511019. The reversal of 511013 is 310115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 332929 + 178084 = 577^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 511013 - 210 = 509989 is a prime.

It is a super-2 number, since 2×5110132 = 522268572338, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 510985 and 511003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255506 + 255507.

It is an arithmetic number, because the mean of its divisors is an integer number (255507).

2511013 is an apocalyptic number.

It is an amenable number.

511013 is a deficient number, since it is larger than the sum of its proper divisors (1).

511013 is an equidigital number, since it uses as much as digits as its factorization.

511013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 511013 is about 714.8517328789. The cubic root of 511013 is about 79.9485606820.

Adding to 511013 its reverse (310115), we get a palindrome (821128).

It can be divided in two parts, 5110 and 13, that multiplied together give a triangular number (66430 = T364).

The spelling of 511013 in words is "five hundred eleven thousand, thirteen".