86352505 has 4 divisors (see below), whose sum is σ = 103623012. Its totient is φ = 69082000.

The previous prime is 86352493. The next prime is 86352509. The reversal of 86352505 is 50525368.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11148921 + 75203584 = 3339^2 + 8672^2 .

It is a de Polignac number, because none of the positive numbers 2^k-86352505 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86352509) 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, 8635246 + ... + 8635255.

It is an arithmetic number, because the mean of its divisors is an integer number (25905753).

Almost surely, 2^86352505 is an apocalyptic number.

It is an amenable number.

86352505 is a deficient number, since it is larger than the sum of its proper divisors (17270507).

86352505 is a wasteful number, since it uses less digits than its factorization.

86352505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17270506.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 86352505 is about 9292.6048554751. The cubic root of 86352505 is about 442.0027589353.

The spelling of 86352505 in words is "eighty-six million, three hundred fifty-two thousand, five hundred five".