82686253 has 8 divisors (see below), whose sum is σ = 89284608. Its totient is φ = 76121904.

The previous prime is 82686223. The next prime is 82686257. The reversal of 82686253 is 35268628.

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

It is a cyclic number.

It is not a de Polignac number, because 82686253 - 2⁹ = 82685741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82686257) 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, 3325 + ... + 13282.

It is an arithmetic number, because the mean of its divisors is an integer number (11160576).

Almost surely, 2^82686253 is an apocalyptic number.

It is an amenable number.

82686253 is a deficient number, since it is larger than the sum of its proper divisors (6598355).

82686253 is a wasteful number, since it uses less digits than its factorization.

82686253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17003.

The product of its digits is 138240, while the sum is 40.

The square root of 82686253 is about 9093.1981722604. The cubic root of 82686253 is about 435.6567399667.

It can be divided in two parts, 8268625 and 3, that added together give a palindrome (8268628).

The spelling of 82686253 in words is "eighty-two million, six hundred eighty-six thousand, two hundred fifty-three".