85375259 has 2 divisors, whose sum is σ = 85375260. Its totient is φ = 85375258.

The previous prime is 85375237. The next prime is 85375261. The reversal of 85375259 is 95257358.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85375259 is a prime.

Together with 85375261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85315259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42687629 + 42687630.

It is an arithmetic number, because the mean of its divisors is an integer number (42687630).

Almost surely, 2^85375259 is an apocalyptic number.

85375259 is a deficient number, since it is larger than the sum of its proper divisors (1).

85375259 is an equidigital number, since it uses as much as digits as its factorization.

85375259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378000, while the sum is 44.

The square root of 85375259 is about 9239.8733216425. The cubic root of 85375259 is about 440.3290565378.

The spelling of 85375259 in words is "eighty-five million, three hundred seventy-five thousand, two hundred fifty-nine".