82611953 has 2 divisors, whose sum is σ = 82611954. Its totient is φ = 82611952.

The previous prime is 82611937. The next prime is 82611967. The reversal of 82611953 is 35911628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71436304 + 11175649 = 8452^2 + 3343^2 .

It is a cyclic number.

It is not a de Polignac number, because 82611953 - 2⁴ = 82611937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82631953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41305976 + 41305977.

It is an arithmetic number, because the mean of its divisors is an integer number (41305977).

Almost surely, 2^82611953 is an apocalyptic number.

It is an amenable number.

82611953 is a deficient number, since it is larger than the sum of its proper divisors (1).

82611953 is an equidigital number, since it uses as much as digits as its factorization.

82611953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 35.

The square root of 82611953 is about 9089.1117827871. Note that the first 3 decimals coincide. The cubic root of 82611953 is about 435.5262104253.

The spelling of 82611953 in words is "eighty-two million, six hundred eleven thousand, nine hundred fifty-three".