80431441 has 4 divisors (see below), whose sum is σ = 80782900. Its totient is φ = 80079984.

The previous prime is 80431411. The next prime is 80431447. The reversal of 80431441 is 14413408.

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 47610000 + 32821441 = 6900^2 + 5729^2 .

It is a cyclic number.

It is not a de Polignac number, because 80431441 - 2⁹ = 80430929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80431447) 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, 175386 + ... + 175843.

It is an arithmetic number, because the mean of its divisors is an integer number (20195725).

Almost surely, 2^80431441 is an apocalyptic number.

It is an amenable number.

80431441 is a deficient number, since it is larger than the sum of its proper divisors (351459).

80431441 is a wasteful number, since it uses less digits than its factorization.

80431441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351458.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 80431441 is about 8968.3577649423. The cubic root of 80431441 is about 431.6601425813.

Adding to 80431441 its reverse (14413408), we get a palindrome (94844849).

The spelling of 80431441 in words is "eighty million, four hundred thirty-one thousand, four hundred forty-one".