85365311 has 2 divisors, whose sum is σ = 85365312. Its totient is φ = 85365310.

The previous prime is 85365307. The next prime is 85365317. The reversal of 85365311 is 11356358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85365311 - 2² = 85365307 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85365317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42682655 + 42682656.

It is an arithmetic number, because the mean of its divisors is an integer number (42682656).

Almost surely, 2^85365311 is an apocalyptic number.

85365311 is a deficient number, since it is larger than the sum of its proper divisors (1).

85365311 is an equidigital number, since it uses as much as digits as its factorization.

85365311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 32.

The square root of 85365311 is about 9239.3349868916. The cubic root of 85365311 is about 440.3119533643.

The spelling of 85365311 in words is "eighty-five million, three hundred sixty-five thousand, three hundred eleven".