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86358641 is a prime number
BaseRepresentation
bin1010010010110…
…11101001110001
320000111110210012
411021123221301
5134101434031
612322544305
72066015315
oct511335161
9200443705
1086358641
1144824586
1224b08095
1314b786b5
14b67db45
1578acb2b
hex525ba71

86358641 has 2 divisors, whose sum is σ = 86358642. Its totient is φ = 86358640.

The previous prime is 86358631. The next prime is 86358647. The reversal of 86358641 is 14685368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83539600 + 2819041 = 9140^2 + 1679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86358641 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86358647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43179320 + 43179321.

It is an arithmetic number, because the mean of its divisors is an integer number (43179321).

Almost surely, 286358641 is an apocalyptic number.

It is an amenable number.

86358641 is a deficient number, since it is larger than the sum of its proper divisors (1).

86358641 is an equidigital number, since it uses as much as digits as its factorization.

86358641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 86358641 is about 9292.9350046151. The cubic root of 86358641 is about 442.0132279027.

The spelling of 86358641 in words is "eighty-six million, three hundred fifty-eight thousand, six hundred forty-one".