86358253 has 8 divisors (see below), whose sum is σ = 88365816. Its totient is φ = 84364800.

The previous prime is 86358247. The next prime is 86358271. The reversal of 86358253 is 35285368.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 44328964 + 42029289 = 6658^2 + 6483^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86358253 is a prime.

It is a super-2 number, since 2×86358253² = 14915495722424018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86358203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9393 + ... + 16153.

It is an arithmetic number, because the mean of its divisors is an integer number (11045727).

Almost surely, 2^86358253 is an apocalyptic number.

It is an amenable number.

86358253 is a deficient number, since it is larger than the sum of its proper divisors (2007563).

86358253 is a wasteful number, since it uses less digits than its factorization.

86358253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7055.

The product of its digits is 172800, while the sum is 40.

The square root of 86358253 is about 9292.9141285175. The cubic root of 86358253 is about 442.0125659293.

The spelling of 86358253 in words is "eighty-six million, three hundred fifty-eight thousand, two hundred fifty-three".