85251059 has 2 divisors, whose sum is σ = 85251060. Its totient is φ = 85251058.

The previous prime is 85251037. The next prime is 85251121. The reversal of 85251059 is 95015258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85251059 - 2¹² = 85246963 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (85251029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42625529 + 42625530.

It is an arithmetic number, because the mean of its divisors is an integer number (42625530).

Almost surely, 2^85251059 is an apocalyptic number.

85251059 is a deficient number, since it is larger than the sum of its proper divisors (1).

85251059 is an equidigital number, since it uses as much as digits as its factorization.

85251059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 85251059 is about 9233.1500041968. The cubic root of 85251059 is about 440.1154294264.

The spelling of 85251059 in words is "eighty-five million, two hundred fifty-one thousand, fifty-nine".