80675533 has 2 divisors, whose sum is σ = 80675534. Its totient is φ = 80675532.

The previous prime is 80675531. The next prime is 80675599. The reversal of 80675533 is 33557608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64208169 + 16467364 = 8013^2 + 4058^2 .

It is a cyclic number.

It is not a de Polignac number, because 80675533 - 2¹ = 80675531 is a prime.

It is a super-4 number, since 4×80675533⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

Together with 80675531, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 80675492 and 80675501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80675531) 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, 40337766 + 40337767.

It is an arithmetic number, because the mean of its divisors is an integer number (40337767).

Almost surely, 2^80675533 is an apocalyptic number.

It is an amenable number.

80675533 is a deficient number, since it is larger than the sum of its proper divisors (1).

80675533 is an equidigital number, since it uses as much as digits as its factorization.

80675533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 80675533 is about 8981.9559673826. The cubic root of 80675533 is about 432.0963666048.

The spelling of 80675533 in words is "eighty million, six hundred seventy-five thousand, five hundred thirty-three".