80004531 has 16 divisors (see below), whose sum is σ = 109209600. Its totient is φ = 52080288.

The previous prime is 80004527. The next prime is 80004581. The reversal of 80004531 is 13540008.

It is not a de Polignac number, because 80004531 - 2² = 80004527 is a prime.

It is a super-2 number, since 2×80004531² = 12801449961059922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80004498 and 80004507.

It is not an unprimeable number, because it can be changed into a prime (80004581) 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 15 ways as a sum of consecutive naturals, for example, 26350 + ... + 29228.

It is an arithmetic number, because the mean of its divisors is an integer number (6825600).

Almost surely, 2^80004531 is an apocalyptic number.

80004531 is a deficient number, since it is larger than the sum of its proper divisors (29205069).

80004531 is a wasteful number, since it uses less digits than its factorization.

80004531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 80004531 is about 8944.5251970130. The cubic root of 80004531 is about 430.8950726391.

Adding to 80004531 its reverse (13540008), we get a palindrome (93544539).

The spelling of 80004531 in words is "eighty million, four thousand, five hundred thirty-one".