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42301073 is a prime number
BaseRepresentation
bin1010000101011…
…1011010010001
32221121010011102
42201113122101
541312113243
64110354145
71022360513
oct241273221
987533142
1042301073
1121972471
12121bb955
1389c1029
145891bb3
153aa89b8
hex2857691

42301073 has 2 divisors, whose sum is σ = 42301074. Its totient is φ = 42301072.

The previous prime is 42301037. The next prime is 42301157. The reversal of 42301073 is 37010324.

Together with previous prime (42301037) 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., 29463184 + 12837889 = 5428^2 + 3583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42301073 is a prime.

It is not a weakly prime, because it can be changed into another prime (42301013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21150536 + 21150537.

It is an arithmetic number, because the mean of its divisors is an integer number (21150537).

Almost surely, 242301073 is an apocalyptic number.

It is an amenable number.

42301073 is a deficient number, since it is larger than the sum of its proper divisors (1).

42301073 is an equidigital number, since it uses as much as digits as its factorization.

42301073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 42301073 is about 6503.9275057460. The cubic root of 42301073 is about 348.4312732289.

Adding to 42301073 its reverse (37010324), we get a palindrome (79311397).

The spelling of 42301073 in words is "forty-two million, three hundred one thousand, seventy-three".