82052909 has 2 divisors, whose sum is σ = 82052910. Its totient is φ = 82052908.

The previous prime is 82052899. The next prime is 82052917. The reversal of 82052909 is 90925028.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81956809 + 96100 = 9053^2 + 310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82052909 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82052969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41026454 + 41026455.

It is an arithmetic number, because the mean of its divisors is an integer number (41026455).

Almost surely, 2^82052909 is an apocalyptic number.

It is an amenable number.

82052909 is a deficient number, since it is larger than the sum of its proper divisors (1).

82052909 is an equidigital number, since it uses as much as digits as its factorization.

82052909 is an evil number, because the sum of its binary digits is even.

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

The square root of 82052909 is about 9058.3060778492. The cubic root of 82052909 is about 434.5415683941.

The spelling of 82052909 in words is "eighty-two million, fifty-two thousand, nine hundred nine".