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52417513 is a prime number
BaseRepresentation
bin1100011111110…
…1001111101001
310122122002022101
43013331033221
5101404330023
65111253401
71204353511
oct307751751
9118562271
1052417513
1127652065
121567a261
13ab238a5
146d66841
1549061ad
hex31fd3e9

52417513 has 2 divisors, whose sum is σ = 52417514. Its totient is φ = 52417512.

The previous prime is 52417507. The next prime is 52417531. The reversal of 52417513 is 31571425.

It is a happy number.

Together with next prime (52417531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42094144 + 10323369 = 6488^2 + 3213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52417513 is a prime.

It is not a weakly prime, because it can be changed into another prime (52417213) 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, 26208756 + 26208757.

It is an arithmetic number, because the mean of its divisors is an integer number (26208757).

Almost surely, 252417513 is an apocalyptic number.

It is an amenable number.

52417513 is a deficient number, since it is larger than the sum of its proper divisors (1).

52417513 is an equidigital number, since it uses as much as digits as its factorization.

52417513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 28.

The square root of 52417513 is about 7239.9939917102. The cubic root of 52417513 is about 374.2474103376.

Adding to 52417513 its reverse (31571425), we get a palindrome (83988938).

The spelling of 52417513 in words is "fifty-two million, four hundred seventeen thousand, five hundred thirteen".