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50251361 is a prime number
BaseRepresentation
bin1011111110110…
…0011001100001
310111120000220112
42333230121201
5100331020421
64553021105
71150062266
oct277543141
9114500815
1050251361
1126402656
12149b4795
13a545944
14696126d
15462945b
hex2fec661

50251361 has 2 divisors, whose sum is σ = 50251362. Its totient is φ = 50251360.

The previous prime is 50251349. The next prime is 50251379. The reversal of 50251361 is 16315205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32273761 + 17977600 = 5681^2 + 4240^2 .

It is a cyclic number.

It is not a de Polignac number, because 50251361 - 218 = 49989217 is a prime.

It is a Chen prime.

It is equal to p3015257 and since 50251361 and 3015257 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (50251301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25125680 + 25125681.

It is an arithmetic number, because the mean of its divisors is an integer number (25125681).

Almost surely, 250251361 is an apocalyptic number.

It is an amenable number.

50251361 is a deficient number, since it is larger than the sum of its proper divisors (1).

50251361 is an equidigital number, since it uses as much as digits as its factorization.

50251361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 50251361 is about 7088.8194362672. The cubic root of 50251361 is about 369.0194661235.

Adding to 50251361 its reverse (16315205), we get a palindrome (66566566).

The spelling of 50251361 in words is "fifty million, two hundred fifty-one thousand, three hundred sixty-one".