85419361 has 2 divisors, whose sum is σ = 85419362. Its totient is φ = 85419360.

The previous prime is 85419349. The next prime is 85419377. The reversal of 85419361 is 16391458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45968400 + 39450961 = 6780^2 + 6281^2 .

It is a cyclic number.

It is not a de Polignac number, because 85419361 - 2⁵ = 85419329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85419361.

It is not a weakly prime, because it can be changed into another prime (85419391) 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, 42709680 + 42709681.

It is an arithmetic number, because the mean of its divisors is an integer number (42709681).

Almost surely, 2^85419361 is an apocalyptic number.

It is an amenable number.

85419361 is a deficient number, since it is larger than the sum of its proper divisors (1).

85419361 is an equidigital number, since it uses as much as digits as its factorization.

85419361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 85419361 is about 9242.2595181049. The cubic root of 85419361 is about 440.4048632349.

The spelling of 85419361 in words is "eighty-five million, four hundred nineteen thousand, three hundred sixty-one".