80038521 has 12 divisors (see below), whose sum is σ = 119598180. Its totient is φ = 51518880.

The previous prime is 80038493. The next prime is 80038531. The reversal of 80038521 is 12583008.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38937600 + 41100921 = 6240^2 + 6411^2 .

It is not a de Polignac number, because 80038521 - 2⁵ = 80038489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80038531) 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 11 ways as a sum of consecutive naturals, for example, 153070 + ... + 153591.

It is an arithmetic number, because the mean of its divisors is an integer number (9966515).

Almost surely, 2^80038521 is an apocalyptic number.

It is an amenable number.

80038521 is a deficient number, since it is larger than the sum of its proper divisors (39559659).

80038521 is a wasteful number, since it uses less digits than its factorization.

80038521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306696 (or 306693 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 80038521 is about 8946.4250402046. The cubic root of 80038521 is about 430.9560860579.

The spelling of 80038521 in words is "eighty million, thirty-eight thousand, five hundred twenty-one".