80540353 has 4 divisors (see below), whose sum is σ = 81119920. Its totient is φ = 79960788.

The previous prime is 80540351. The next prime is 80540363. The reversal of 80540353 is 35304508.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80540353 - 2¹ = 80540351 is a prime.

It is a super-2 number, since 2×80540353² = 12973496922729218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80540351) 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, 289575 + ... + 289852.

It is an arithmetic number, because the mean of its divisors is an integer number (20279980).

Almost surely, 2^80540353 is an apocalyptic number.

It is an amenable number.

80540353 is a deficient number, since it is larger than the sum of its proper divisors (579567).

80540353 is a wasteful number, since it uses less digits than its factorization.

80540353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579566.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 80540353 is about 8974.4277254876. The cubic root of 80540353 is about 431.8548913212.

The spelling of 80540353 in words is "eighty million, five hundred forty thousand, three hundred fifty-three".