80653573 has 32 divisors (see below), whose sum is σ = 109105920. Its totient is φ = 57576960.

The previous prime is 80653567. The next prime is 80653589. The reversal of 80653573 is 37535608.

It is not a de Polignac number, because 80653573 - 2⁹ = 80653061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80653513) 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 31 ways as a sum of consecutive naturals, for example, 196993 + ... + 197401.

It is an arithmetic number, because the mean of its divisors is an integer number (3409560).

Almost surely, 2^80653573 is an apocalyptic number.

It is an amenable number.

80653573 is a deficient number, since it is larger than the sum of its proper divisors (28452347).

80653573 is a wasteful number, since it uses less digits than its factorization.

80653573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 80653573 is about 8980.7334333004. The cubic root of 80653573 is about 432.0571572892.

It can be divided in two parts, 806535 and 73, that added together give a palindrome (806608).

The spelling of 80653573 in words is "eighty million, six hundred fifty-three thousand, five hundred seventy-three".