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58442521 is a prime number
BaseRepresentation
bin1101111011110…
…0001100011001
311001222012001211
43132330030121
5104430130041
65444343121
71306516234
oct336741431
9131865054
1058442521
112aa97805
12176a4aa1
13c153097
147a9441b
1551e6481
hex37bc319

58442521 has 2 divisors, whose sum is σ = 58442522. Its totient is φ = 58442520.

The previous prime is 58442513. The next prime is 58442543. The reversal of 58442521 is 12524485.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56791296 + 1651225 = 7536^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 58442521 - 23 = 58442513 is a prime.

It is not a weakly prime, because it can be changed into another prime (58442561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29221260 + 29221261.

It is an arithmetic number, because the mean of its divisors is an integer number (29221261).

Almost surely, 258442521 is an apocalyptic number.

It is an amenable number.

58442521 is a deficient number, since it is larger than the sum of its proper divisors (1).

58442521 is an equidigital number, since it uses as much as digits as its factorization.

58442521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12800, while the sum is 31.

The square root of 58442521 is about 7644.7708271733. The cubic root of 58442521 is about 388.0696216334.

The spelling of 58442521 in words is "fifty-eight million, four hundred forty-two thousand, five hundred twenty-one".