80418133 has 2 divisors, whose sum is σ = 80418134. Its totient is φ = 80418132.

The previous prime is 80418113. The next prime is 80418139. The reversal of 80418133 is 33181408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45454564 + 34963569 = 6742^2 + 5913^2 .

It is a cyclic number.

It is not a de Polignac number, because 80418133 - 2¹³ = 80409941 is a prime.

It is a super-2 number, since 2×80418133² = 12934152230411378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80418139) 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, 40209066 + 40209067.

It is an arithmetic number, because the mean of its divisors is an integer number (40209067).

Almost surely, 2^80418133 is an apocalyptic number.

It is an amenable number.

80418133 is a deficient number, since it is larger than the sum of its proper divisors (1).

80418133 is an equidigital number, since it uses as much as digits as its factorization.

80418133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 80418133 is about 8967.6157923943. The cubic root of 80418133 is about 431.6363341056.

The spelling of 80418133 in words is "eighty million, four hundred eighteen thousand, one hundred thirty-three".