82516201 has 4 divisors (see below), whose sum is σ = 82732032. Its totient is φ = 82300372.

The previous prime is 82516171. The next prime is 82516237. The reversal of 82516201 is 10261528.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82516201 - 2⁵ = 82516169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82513201) 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, 107341 + ... + 108106.

It is an arithmetic number, because the mean of its divisors is an integer number (20683008).

Almost surely, 2^82516201 is an apocalyptic number.

It is an amenable number.

82516201 is a deficient number, since it is larger than the sum of its proper divisors (215831).

82516201 is a wasteful number, since it uses less digits than its factorization.

82516201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215830.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 82516201 is about 9083.8428542110. The cubic root of 82516201 is about 435.3578787395.

Adding to 82516201 its reverse (10261528), we get a palindrome (92777729).

The spelling of 82516201 in words is "eighty-two million, five hundred sixteen thousand, two hundred one".