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85066151 is a prime number
BaseRepresentation
bin1010001001000…
…00000110100111
312221001210211012
411010200012213
5133234104101
612235132435
72052023162
oct504400647
9187053735
1085066151
1144021505
12245a411b
1314815301
14b424ad9
157704bbb
hex51201a7

85066151 has 2 divisors, whose sum is σ = 85066152. Its totient is φ = 85066150.

The previous prime is 85066129. The next prime is 85066153. The reversal of 85066151 is 15166058.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85066151 is a prime.

Together with 85066153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85066153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42533075 + 42533076.

It is an arithmetic number, because the mean of its divisors is an integer number (42533076).

Almost surely, 285066151 is an apocalyptic number.

85066151 is a deficient number, since it is larger than the sum of its proper divisors (1).

85066151 is an equidigital number, since it uses as much as digits as its factorization.

85066151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 85066151 is about 9223.1313012447. The cubic root of 85066151 is about 439.7969982982.

The spelling of 85066151 in words is "eighty-five million, sixty-six thousand, one hundred fifty-one".