85195039 has 2 divisors, whose sum is σ = 85195040. Its totient is φ = 85195038.

The previous prime is 85195027. The next prime is 85195043. The reversal of 85195039 is 93059158.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85195039 - 2¹⁷ = 85063967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85194992 and 85195010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85195079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42597519 + 42597520.

It is an arithmetic number, because the mean of its divisors is an integer number (42597520).

Almost surely, 2^85195039 is an apocalyptic number.

85195039 is a deficient number, since it is larger than the sum of its proper divisors (1).

85195039 is an equidigital number, since it uses as much as digits as its factorization.

85195039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 85195039 is about 9230.1158714287. The cubic root of 85195039 is about 440.0190057217.

The spelling of 85195039 in words is "eighty-five million, one hundred ninety-five thousand, thirty-nine".