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85258751 is a prime number
BaseRepresentation
bin1010001010011…
…11000111111111
312221102121000112
411011033013333
5133311240001
612243220235
72053454534
oct505170777
9187377015
1085258751
1144143186
122467767b
1314881b86
14b474d8b
157741cbb
hex514f1ff

85258751 has 2 divisors, whose sum is σ = 85258752. Its totient is φ = 85258750.

The previous prime is 85258741. The next prime is 85258759. The reversal of 85258751 is 15785258.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85258751 - 210 = 85257727 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 85258699 and 85258708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85258759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42629375 + 42629376.

It is an arithmetic number, because the mean of its divisors is an integer number (42629376).

Almost surely, 285258751 is an apocalyptic number.

85258751 is a deficient number, since it is larger than the sum of its proper divisors (1).

85258751 is an equidigital number, since it uses as much as digits as its factorization.

85258751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112000, while the sum is 41.

The square root of 85258751 is about 9233.5665373679. The cubic root of 85258751 is about 440.1286658839.

The spelling of 85258751 in words is "eighty-five million, two hundred fifty-eight thousand, seven hundred fifty-one".