Search a number
-
+
512320253 is a prime number
BaseRepresentation
bin11110100010010…
…110001011111101
31022201000120021012
4132202112023331
52022123222003
6122500445005
715460436024
oct3642261375
91281016235
10512320253
11243211875
121236a9765
13821a9aa3
144c0818bb
152ee9d8d8
hex1e8962fd

512320253 has 2 divisors, whose sum is σ = 512320254. Its totient is φ = 512320252.

The previous prime is 512320231. The next prime is 512320261. The reversal of 512320253 is 352023215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308458969 + 203861284 = 17563^2 + 14278^2 .

It is a cyclic number.

It is not a de Polignac number, because 512320253 - 210 = 512319229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512320283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256160126 + 256160127.

It is an arithmetic number, because the mean of its divisors is an integer number (256160127).

Almost surely, 2512320253 is an apocalyptic number.

It is an amenable number.

512320253 is a deficient number, since it is larger than the sum of its proper divisors (1).

512320253 is an equidigital number, since it uses as much as digits as its factorization.

512320253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 512320253 is about 22634.4925500882. The cubic root of 512320253 is about 800.1667636724.

Adding to 512320253 its reverse (352023215), we get a palindrome (864343468).

The spelling of 512320253 in words is "five hundred twelve million, three hundred twenty thousand, two hundred fifty-three".