86231513 has 4 divisors (see below), whose sum is σ = 86365440. Its totient is φ = 86097588.

The previous prime is 86231507. The next prime is 86231533. The reversal of 86231513 is 31513268.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86231513 - 2⁶ = 86231449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86231503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65993 + ... + 67286.

It is an arithmetic number, because the mean of its divisors is an integer number (21591360).

Almost surely, 2^86231513 is an apocalyptic number.

It is an amenable number.

86231513 is a deficient number, since it is larger than the sum of its proper divisors (133927).

86231513 is a wasteful number, since it uses less digits than its factorization.

86231513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133926.

The product of its digits is 4320, while the sum is 29.

The square root of 86231513 is about 9286.0924505413. The cubic root of 86231513 is about 441.7962264424.

The spelling of 86231513 in words is "eighty-six million, two hundred thirty-one thousand, five hundred thirteen".