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52141561 is a prime number
BaseRepresentation
bin1100011011100…
…1110111111001
310122010001202221
43012321313321
5101322012221
65101324041
71202124133
oct306716771
9118101687
1052141561
11274837aa
1215566621
13aa580c4
146cd4053
15489e541
hex31b9df9

52141561 has 2 divisors, whose sum is σ = 52141562. Its totient is φ = 52141560.

The previous prime is 52141549. The next prime is 52141571. The reversal of 52141561 is 16514125.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40717161 + 11424400 = 6381^2 + 3380^2 .

It is a cyclic number.

It is not a de Polignac number, because 52141561 - 27 = 52141433 is a prime.

It is not a weakly prime, because it can be changed into another prime (52141571) 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, 26070780 + 26070781.

It is an arithmetic number, because the mean of its divisors is an integer number (26070781).

Almost surely, 252141561 is an apocalyptic number.

It is an amenable number.

52141561 is a deficient number, since it is larger than the sum of its proper divisors (1).

52141561 is an equidigital number, since it uses as much as digits as its factorization.

52141561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 25.

The square root of 52141561 is about 7220.9113690725. The cubic root of 52141561 is about 373.5895126453.

Adding to 52141561 its reverse (16514125), we get a palindrome (68655686).

The spelling of 52141561 in words is "fifty-two million, one hundred forty-one thousand, five hundred sixty-one".