82207651 has 2 divisors, whose sum is σ = 82207652. Its totient is φ = 82207650.

The previous prime is 82207649. The next prime is 82207679. The reversal of 82207651 is 15670228.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82207651 - 2¹ = 82207649 is a prime.

Together with 82207649, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (82202651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41103825 + 41103826.

It is an arithmetic number, because the mean of its divisors is an integer number (41103826).

Almost surely, 2^82207651 is an apocalyptic number.

82207651 is a deficient number, since it is larger than the sum of its proper divisors (1).

82207651 is an equidigital number, since it uses as much as digits as its factorization.

82207651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 82207651 is about 9066.8434970501. The cubic root of 82207651 is about 434.8145613788.

Adding to 82207651 its reverse (15670228), we get a palindrome (97877879).

The spelling of 82207651 in words is "eighty-two million, two hundred seven thousand, six hundred fifty-one".