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252500513 is a prime number
BaseRepresentation
bin11110000110011…
…01101000100001
3122121010100120212
433003031220201
51004120004023
641015543505
76154135046
oct1703155041
9577110525
10252500513
1111a591411
127068ab95
13404098b5
142576b1cd
1517279e78
hexf0cda21

252500513 has 2 divisors, whose sum is σ = 252500514. Its totient is φ = 252500512.

The previous prime is 252500489. The next prime is 252500527. The reversal of 252500513 is 315005252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247338529 + 5161984 = 15727^2 + 2272^2 .

It is a cyclic number.

It is not a de Polignac number, because 252500513 - 214 = 252484129 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 (252550513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126250256 + 126250257.

It is an arithmetic number, because the mean of its divisors is an integer number (126250257).

Almost surely, 2252500513 is an apocalyptic number.

It is an amenable number.

252500513 is a deficient number, since it is larger than the sum of its proper divisors (1).

252500513 is an equidigital number, since it uses as much as digits as its factorization.

252500513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 252500513 is about 15890.2647240378. The cubic root of 252500513 is about 632.0538604755.

Adding to 252500513 its reverse (315005252), we get a palindrome (567505765).

The spelling of 252500513 in words is "two hundred fifty-two million, five hundred thousand, five hundred thirteen".