86045231 has 4 divisors (see below), whose sum is σ = 89786352. Its totient is φ = 82304112.

The previous prime is 86045221. The next prime is 86045237. The reversal of 86045231 is 13254068.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86045231 - 2²² = 81850927 is a prime.

It is a super-2 number, since 2×86045231² = 14807563555686722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86045194 and 86045203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86045237) 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 in 3 ways as a sum of consecutive naturals, for example, 1870526 + ... + 1870571.

It is an arithmetic number, because the mean of its divisors is an integer number (22446588).

Almost surely, 2^86045231 is an apocalyptic number.

86045231 is a deficient number, since it is larger than the sum of its proper divisors (3741121).

86045231 is a wasteful number, since it uses less digits than its factorization.

86045231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741120.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 86045231 is about 9276.0568670098. The cubic root of 86045231 is about 441.4778663478.

Adding to 86045231 its reverse (13254068), we get a palindrome (99299299).

The spelling of 86045231 in words is "eighty-six million, forty-five thousand, two hundred thirty-one".