80193481 has 4 divisors (see below), whose sum is σ = 80421012. Its totient is φ = 79965952.

The previous prime is 80193469. The next prime is 80193523. The reversal of 80193481 is 18439108.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49224256 + 30969225 = 7016^2 + 5565^2 .

It is a cyclic number.

It is not a de Polignac number, because 80193481 - 2¹³ = 80185289 is a prime.

It is a super-2 number, since 2×80193481² = 12861988789794722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80193461) 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, 113236 + ... + 113941.

It is an arithmetic number, because the mean of its divisors is an integer number (20105253).

Almost surely, 2^80193481 is an apocalyptic number.

It is an amenable number.

80193481 is a deficient number, since it is larger than the sum of its proper divisors (227531).

80193481 is a wasteful number, since it uses less digits than its factorization.

80193481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227530.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 80193481 is about 8955.0812949967. The cubic root of 80193481 is about 431.2340268256.

The spelling of 80193481 in words is "eighty million, one hundred ninety-three thousand, four hundred eighty-one".