76082521 has 2 divisors, whose sum is σ = 76082522. Its totient is φ = 76082520.

The previous prime is 76082509. The next prime is 76082527. The reversal of 76082521 is 12528067.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40513225 + 35569296 = 6365^2 + 5964^2 .

It is an emirp because it is prime and its reverse (12528067) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76082521 - 2⁹ = 76082009 is a prime.

It is not a weakly prime, because it can be changed into another prime (76082527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38041260 + 38041261.

It is an arithmetic number, because the mean of its divisors is an integer number (38041261).

Almost surely, 2^76082521 is an apocalyptic number.

It is an amenable number.

76082521 is a deficient number, since it is larger than the sum of its proper divisors (1).

76082521 is an equidigital number, since it uses as much as digits as its factorization.

76082521 is an odious number, because the sum of its binary digits is odd.

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

The square root of 76082521 is about 8722.5295069722. The cubic root of 76082521 is about 423.7356119177.

The spelling of 76082521 in words is "seventy-six million, eighty-two thousand, five hundred twenty-one".