85395953 has 2 divisors, whose sum is σ = 85395954. Its totient is φ = 85395952.

The previous prime is 85395949. The next prime is 85395977. The reversal of 85395953 is 35959358.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74787904 + 10608049 = 8648^2 + 3257^2 .

It is a cyclic number.

It is not a de Polignac number, because 85395953 - 2² = 85395949 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 85395898 and 85395907.

It is not a weakly prime, because it can be changed into another prime (85395353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42697976 + 42697977.

It is an arithmetic number, because the mean of its divisors is an integer number (42697977).

Almost surely, 2^85395953 is an apocalyptic number.

It is an amenable number.

85395953 is a deficient number, since it is larger than the sum of its proper divisors (1).

85395953 is an equidigital number, since it uses as much as digits as its factorization.

85395953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 729000, while the sum is 47.

The square root of 85395953 is about 9240.9930743400. The cubic root of 85395953 is about 440.3646305962.

The spelling of 85395953 in words is "eighty-five million, three hundred ninety-five thousand, nine hundred fifty-three".