82516541 has 2 divisors, whose sum is σ = 82516542. Its totient is φ = 82516540.

The previous prime is 82516529. The next prime is 82516547. The reversal of 82516541 is 14561528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61622500 + 20894041 = 7850^2 + 4571^2 .

It is a cyclic number.

It is not a de Polignac number, because 82516541 - 2¹⁸ = 82254397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82516498 and 82516507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82516547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41258270 + 41258271.

It is an arithmetic number, because the mean of its divisors is an integer number (41258271).

Almost surely, 2^82516541 is an apocalyptic number.

It is an amenable number.

82516541 is a deficient number, since it is larger than the sum of its proper divisors (1).

82516541 is an equidigital number, since it uses as much as digits as its factorization.

82516541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 32.

The square root of 82516541 is about 9083.8615687383. The cubic root of 82516541 is about 435.3584766886.

The spelling of 82516541 in words is "eighty-two million, five hundred sixteen thousand, five hundred forty-one".