82818201 has 8 divisors (see below), whose sum is σ = 110472544. Its totient is φ = 55188000.

The previous prime is 82818191. The next prime is 82818217. The reversal of 82818201 is 10281828.

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

It is not a de Polignac number, because 82818201 - 2⁶ = 82818137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82818221) 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, 4701 + ... + 13701.

It is an arithmetic number, because the mean of its divisors is an integer number (13809068).

Almost surely, 2^82818201 is an apocalyptic number.

It is an amenable number.

82818201 is a deficient number, since it is larger than the sum of its proper divisors (27654343).

82818201 is a wasteful number, since it uses less digits than its factorization.

82818201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12071.

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 82818201 is about 9100.4505932399. The cubic root of 82818201 is about 435.8883523709. Note that the first 3 decimals are identical.

The spelling of 82818201 in words is "eighty-two million, eight hundred eighteen thousand, two hundred one".