82825271 has 4 divisors (see below), whose sum is σ = 83558352. Its totient is φ = 82092192.

The previous prime is 82825261. The next prime is 82825291. The reversal of 82825271 is 17252828.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82825271 - 2¹⁸ = 82563127 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 (82825201) 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, 366371 + ... + 366596.

It is an arithmetic number, because the mean of its divisors is an integer number (20889588).

Almost surely, 2^82825271 is an apocalyptic number.

82825271 is a deficient number, since it is larger than the sum of its proper divisors (733081).

82825271 is a wasteful number, since it uses less digits than its factorization.

82825271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733080.

The product of its digits is 17920, while the sum is 35.

The square root of 82825271 is about 9100.8390272546. The cubic root of 82825271 is about 435.9007556145.

The spelling of 82825271 in words is "eighty-two million, eight hundred twenty-five thousand, two hundred seventy-one".