86530259 has 4 divisors (see below), whose sum is σ = 86549760. Its totient is φ = 86510760.

The previous prime is 86530253. The next prime is 86530261. The reversal of 86530259 is 95203568.

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 86530259 - 2¹² = 86526163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86530253) 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, 494 + ... + 13164.

It is an arithmetic number, because the mean of its divisors is an integer number (21637440).

Almost surely, 2^86530259 is an apocalyptic number.

86530259 is a deficient number, since it is larger than the sum of its proper divisors (19501).

86530259 is a wasteful number, since it uses less digits than its factorization.

86530259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19500.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 86530259 is about 9302.1642105480. The cubic root of 86530259 is about 442.3058341431.

The spelling of 86530259 in words is "eighty-six million, five hundred thirty thousand, two hundred fifty-nine".