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85195027 is a prime number
BaseRepresentation
bin1010001001111…
…11100100010011
312221022100121101
411010333210103
5133302220102
612242005231
72053101001
oct504774423
9187270541
1085195027
11440aa315
1224646817
131485bb78
14b459a71
15772ce87
hex513f913

85195027 has 2 divisors, whose sum is σ = 85195028. Its totient is φ = 85195026.

The previous prime is 85195001. The next prime is 85195039. The reversal of 85195027 is 72059158.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85195027 - 27 = 85194899 is a prime.

It is not a weakly prime, because it can be changed into another prime (85195087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42597513 + 42597514.

It is an arithmetic number, because the mean of its divisors is an integer number (42597514).

Almost surely, 285195027 is an apocalyptic number.

85195027 is a deficient number, since it is larger than the sum of its proper divisors (1).

85195027 is an equidigital number, since it uses as much as digits as its factorization.

85195027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 85195027 is about 9230.1152213827. The cubic root of 85195027 is about 440.0189850624.

It can be divided in two parts, 85 and 195027, that added together give a cube (195112 = 583).

The spelling of 85195027 in words is "eighty-five million, one hundred ninety-five thousand, twenty-seven".