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51241061 is a prime number
BaseRepresentation
bin1100001101111…
…0000001100101
310120102022112002
43003132001211
5101104203221
65030135045
71161353564
oct303360145
9116368462
1051241061
1126a19193
12151b1485
13a801271
146b3bbdb
15477280b
hex30de065

51241061 has 2 divisors, whose sum is σ = 51241062. Its totient is φ = 51241060.

The previous prime is 51241051. The next prime is 51241121. The reversal of 51241061 is 16014215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48580900 + 2660161 = 6970^2 + 1631^2 .

It is a cyclic number.

It is not a de Polignac number, because 51241061 - 222 = 47046757 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51241031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25620530 + 25620531.

It is an arithmetic number, because the mean of its divisors is an integer number (25620531).

Almost surely, 251241061 is an apocalyptic number.

It is an amenable number.

51241061 is a deficient number, since it is larger than the sum of its proper divisors (1).

51241061 is an equidigital number, since it uses as much as digits as its factorization.

51241061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 51241061 is about 7158.2861775707. The cubic root of 51241061 is about 371.4263448937.

Adding to 51241061 its reverse (16014215), we get a palindrome (67255276).

The spelling of 51241061 in words is "fifty-one million, two hundred forty-one thousand, sixty-one".