Search a number
-
+
85548587 is a prime number
BaseRepresentation
bin1010001100101…
…01111000101011
312221222022121012
411012111320223
5133400023322
612253334135
72056102535
oct506257053
9187868535
1085548587
1144320a13
122479734b
1314953a87
14b50c855
15779cae2
hex5195e2b

85548587 has 2 divisors, whose sum is σ = 85548588. Its totient is φ = 85548586.

The previous prime is 85548563. The next prime is 85548599. The reversal of 85548587 is 78584558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85548587 - 216 = 85483051 is a prime.

It is not a weakly prime, because it can be changed into another prime (85548517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42774293 + 42774294.

It is an arithmetic number, because the mean of its divisors is an integer number (42774294).

Almost surely, 285548587 is an apocalyptic number.

85548587 is a deficient number, since it is larger than the sum of its proper divisors (1).

85548587 is an equidigital number, since it uses as much as digits as its factorization.

85548587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792000, while the sum is 50.

The square root of 85548587 is about 9249.2479153713. The cubic root of 85548587 is about 440.6268389977.

The spelling of 85548587 in words is "eighty-five million, five hundred forty-eight thousand, five hundred eighty-seven".