80545063 has 4 divisors (see below), whose sum is σ = 82418248. Its totient is φ = 78671880.

The previous prime is 80545043. The next prime is 80545067. The reversal of 80545063 is 36054508.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80545063 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 (80545067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936528 + ... + 936613.

It is an arithmetic number, because the mean of its divisors is an integer number (20604562).

Almost surely, 2^80545063 is an apocalyptic number.

80545063 is a deficient number, since it is larger than the sum of its proper divisors (1873185).

80545063 is a wasteful number, since it uses less digits than its factorization.

80545063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873184.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 80545063 is about 8974.6901339266. The cubic root of 80545063 is about 431.8633094488.

The spelling of 80545063 in words is "eighty million, five hundred forty-five thousand, sixty-three".