86142573 has 12 divisors (see below), whose sum is σ = 135739968. Its totient is φ = 52207560.

The previous prime is 86142569. The next prime is 86142577. The reversal of 86142573 is 37524168.

86142573 is a `hidden beast` number, since 86 + 1 + 4 + 2 + 573 = 666.

It is an interprime number because it is at equal distance from previous prime (86142569) and next prime (86142577).

It is not a de Polignac number, because 86142573 - 2² = 86142569 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86142577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 434965 + ... + 435162.

It is an arithmetic number, because the mean of its divisors is an integer number (11311664).

Almost surely, 2^86142573 is an apocalyptic number.

It is an amenable number.

86142573 is a deficient number, since it is larger than the sum of its proper divisors (49597395).

86142573 is a wasteful number, since it uses less digits than its factorization.

86142573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870144 (or 870141 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 86142573 is about 9281.3023331858. The cubic root of 86142573 is about 441.6442832531.

It can be divided in two parts, 861 and 42573, that added together give a palindrome (43434).

The spelling of 86142573 in words is "eighty-six million, one hundred forty-two thousand, five hundred seventy-three".