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252127517 is a prime number
BaseRepresentation
bin11110000011100…
…10100100011101
3122120102101221012
433001302210131
51004021040032
641003545005
76151022435
oct1701624435
9576371835
10252127517
1111a357154
127052b165
1340308ba5
14256b12c5
15172046b2
hexf07291d

252127517 has 2 divisors, whose sum is σ = 252127518. Its totient is φ = 252127516.

The previous prime is 252127481. The next prime is 252127529. The reversal of 252127517 is 715721252.

252127517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251983876 + 143641 = 15874^2 + 379^2 .

It is a cyclic number.

It is not a de Polignac number, because 252127517 - 26 = 252127453 is a prime.

It is equal to p13789301 and since 252127517 and 13789301 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252127597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126063758 + 126063759.

It is an arithmetic number, because the mean of its divisors is an integer number (126063759).

Almost surely, 2252127517 is an apocalyptic number.

It is an amenable number.

252127517 is a deficient number, since it is larger than the sum of its proper divisors (1).

252127517 is an equidigital number, since it uses as much as digits as its factorization.

252127517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9800, while the sum is 32.

The square root of 252127517 is about 15878.5237663959. The cubic root of 252127517 is about 631.7424819096.

Adding to 252127517 its reverse (715721252), we get a palindrome (967848769).

The spelling of 252127517 in words is "two hundred fifty-two million, one hundred twenty-seven thousand, five hundred seventeen".