82271001 has 8 divisors (see below), whose sum is σ = 109802304. Its totient is φ = 54793520.

The previous prime is 82270987. The next prime is 82271027. The reversal of 82271001 is 10017228.

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 82271001 - 2⁷ = 82270873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82271201) 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, 9741 + ... + 16106.

It is an arithmetic number, because the mean of its divisors is an integer number (13725288).

Almost surely, 2^82271001 is an apocalyptic number.

It is an amenable number.

82271001 is a deficient number, since it is larger than the sum of its proper divisors (27531303).

82271001 is a wasteful number, since it uses less digits than its factorization.

82271001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26911.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 82271001 is about 9070.3363223201. The cubic root of 82271001 is about 434.9262234506.

Adding to 82271001 its reverse (10017228), we get a palindrome (92288229).

The spelling of 82271001 in words is "eighty-two million, two hundred seventy-one thousand, one".