82015673 has 2 divisors, whose sum is σ = 82015674. Its totient is φ = 82015672.

The previous prime is 82015657. The next prime is 82015727. The reversal of 82015673 is 37651028.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73324969 + 8690704 = 8563^2 + 2948^2 .

It is a cyclic number.

It is not a de Polignac number, because 82015673 - 2⁴ = 82015657 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (82015873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41007836 + 41007837.

It is an arithmetic number, because the mean of its divisors is an integer number (41007837).

Almost surely, 2^82015673 is an apocalyptic number.

It is an amenable number.

82015673 is a deficient number, since it is larger than the sum of its proper divisors (1).

82015673 is an equidigital number, since it uses as much as digits as its factorization.

82015673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 82015673 is about 9056.2504934437. The cubic root of 82015673 is about 434.4758261056.

The spelling of 82015673 in words is "eighty-two million, fifteen thousand, six hundred seventy-three".