Search a number
-
+
520414073 is a prime number
BaseRepresentation
bin11111000001001…
…110001101111001
31100021020202220022
4133001032031321
52031211222243
6123350140225
715616306124
oct3701161571
91307222808
10520414073
1124783a883
12126351675
1383a81b2a
144d18b3bb
1530a4bb68
hex1f04e379

520414073 has 2 divisors, whose sum is σ = 520414074. Its totient is φ = 520414072.

The previous prime is 520414051. The next prime is 520414099. The reversal of 520414073 is 370414025.

It is an a-pointer prime, because the next prime (520414099) can be obtained adding 520414073 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410751289 + 109662784 = 20267^2 + 10472^2 .

It is a cyclic number.

It is not a de Polignac number, because 520414073 - 212 = 520409977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (520414373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260207036 + 260207037.

It is an arithmetic number, because the mean of its divisors is an integer number (260207037).

Almost surely, 2520414073 is an apocalyptic number.

It is an amenable number.

520414073 is a deficient number, since it is larger than the sum of its proper divisors (1).

520414073 is an equidigital number, since it uses as much as digits as its factorization.

520414073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 520414073 is about 22812.5858464138. The cubic root of 520414073 is about 804.3585404694.

Adding to 520414073 its reverse (370414025), we get a palindrome (890828098).

The spelling of 520414073 in words is "five hundred twenty million, four hundred fourteen thousand, seventy-three".