86502601 has 4 divisors (see below), whose sum is σ = 86556100. Its totient is φ = 86449104.

The previous prime is 86502587. The next prime is 86502641. The reversal of 86502601 is 10620568.

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 37222201 + 49280400 = 6101^2 + 7020^2 .

It is a cyclic number.

It is not a de Polignac number, because 86502601 - 2⁵ = 86502569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86502601.

It is not an unprimeable number, because it can be changed into a prime (86502641) 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, 24246 + ... + 27583.

It is an arithmetic number, because the mean of its divisors is an integer number (21639025).

Almost surely, 2^86502601 is an apocalyptic number.

It is an amenable number.

86502601 is a deficient number, since it is larger than the sum of its proper divisors (53499).

86502601 is a wasteful number, since it uses less digits than its factorization.

86502601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53498.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 86502601 is about 9300.6774484443. The cubic root of 86502601 is about 442.2587038154.

The spelling of 86502601 in words is "eighty-six million, five hundred two thousand, six hundred one".