80307252 has 36 divisors (see below), whose sum is σ = 214941636. Its totient is φ = 25194240.

The previous prime is 80307229. The next prime is 80307259. The reversal of 80307252 is 25270308.

It can be written as a sum of positive squares in 2 ways, for example, as 71978256 + 8328996 = 8484^2 + 2886^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80307259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64999 + ... + 66222.

It is an arithmetic number, because the mean of its divisors is an integer number (5970601).

Almost surely, 2^80307252 is an apocalyptic number.

It is an amenable number.

80307252 is an abundant number, since it is smaller than the sum of its proper divisors (134634384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80307252 is a wasteful number, since it uses less digits than its factorization.

80307252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131248 (or 131243 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 80307252 is about 8961.4313588846. The cubic root of 80307252 is about 431.4378619447.

The spelling of 80307252 in words is "eighty million, three hundred seven thousand, two hundred fifty-two".