80120533 has 4 divisors (see below), whose sum is σ = 82883340. Its totient is φ = 77357728.

The previous prime is 80120527. The next prime is 80120539. The reversal of 80120533 is 33502108.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (80120527) and next prime (80120539).

It can be written as a sum of positive squares in 2 ways, for example, as 53319204 + 26801329 = 7302^2 + 5177^2 .

It is a cyclic number.

It is not a de Polignac number, because 80120533 - 2⁵ = 80120501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80120539) 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 in 3 ways as a sum of consecutive naturals, for example, 1381360 + ... + 1381417.

It is an arithmetic number, because the mean of its divisors is an integer number (20720835).

Almost surely, 2^80120533 is an apocalyptic number.

It is an amenable number.

80120533 is a deficient number, since it is larger than the sum of its proper divisors (2762807).

80120533 is a wasteful number, since it uses less digits than its factorization.

80120533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762806.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 80120533 is about 8951.0073734748. The cubic root of 80120533 is about 431.1032298135.

The spelling of 80120533 in words is "eighty million, one hundred twenty thousand, five hundred thirty-three".