80570503 has 4 divisors (see below), whose sum is σ = 86768248. Its totient is φ = 74372760.

The previous prime is 80570467. The next prime is 80570513. The reversal of 80570503 is 30507508.

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

It is a cyclic number.

It is not a de Polignac number, because 80570503 - 2⁹ = 80569991 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 (80570513) 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, 3098853 + ... + 3098878.

It is an arithmetic number, because the mean of its divisors is an integer number (21692062).

Almost surely, 2^80570503 is an apocalyptic number.

80570503 is a deficient number, since it is larger than the sum of its proper divisors (6197745).

80570503 is a wasteful number, since it uses less digits than its factorization.

80570503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6197744.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 80570503 is about 8976.1073411585. The cubic root of 80570503 is about 431.9087723887.

The spelling of 80570503 in words is "eighty million, five hundred seventy thousand, five hundred three".