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42580259 is a prime number
BaseRepresentation
bin1010001001101…
…1100100100011
32222010022010122
42202123210203
541400032014
64120350455
71024632461
oct242334443
988108118
1042580259
11220431a7
121231542b
138a8b127
145925831
153b1158e
hex289b923

42580259 has 2 divisors, whose sum is σ = 42580260. Its totient is φ = 42580258.

The previous prime is 42580201. The next prime is 42580283. The reversal of 42580259 is 95208524.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42580259 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42580859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21290129 + 21290130.

It is an arithmetic number, because the mean of its divisors is an integer number (21290130).

Almost surely, 242580259 is an apocalyptic number.

42580259 is a deficient number, since it is larger than the sum of its proper divisors (1).

42580259 is an equidigital number, since it uses as much as digits as its factorization.

42580259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 42580259 is about 6525.3550861237. The cubic root of 42580259 is about 349.1961388218.

The spelling of 42580259 in words is "forty-two million, five hundred eighty thousand, two hundred fifty-nine".