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1081459427 is a prime number
BaseRepresentation
bin100000001110101…
…1100001011100011
32210100221211102212
41000131130023203
54203323200202
6255151232335
735541152636
oct10035341343
92710854385
101081459427
11505501524
122622186ab
1314308b929
14a38b3c1d
1564e22652
hex4075c2e3

1081459427 has 2 divisors, whose sum is σ = 1081459428. Its totient is φ = 1081459426.

The previous prime is 1081459367. The next prime is 1081459429. The reversal of 1081459427 is 7249541801.

It is a strong prime.

It is an emirp because it is prime and its reverse (7249541801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1081459427 - 210 = 1081458403 is a prime.

Together with 1081459429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1081459429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540729713 + 540729714.

It is an arithmetic number, because the mean of its divisors is an integer number (540729714).

Almost surely, 21081459427 is an apocalyptic number.

1081459427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081459427 is an equidigital number, since it uses as much as digits as its factorization.

1081459427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 1081459427 is about 32885.5504287217. The cubic root of 1081459427 is about 1026.4475053758.

The spelling of 1081459427 in words is "one billion, eighty-one million, four hundred fifty-nine thousand, four hundred twenty-seven".