80461 has 4 divisors (see below), whose sum is σ = 85212. Its totient is φ = 75712.

The previous prime is 80449. The next prime is 80471. The reversal of 80461 is 16408.

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 38025 + 42436 = 195^2 + 206^2 .

It is a cyclic number.

It is not a de Polignac number, because 80461 - 2⁵ = 80429 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 (80471) 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, 2350 + ... + 2383.

It is an arithmetic number, because the mean of its divisors is an integer number (21303).

2⁸⁰⁴⁶¹ is an apocalyptic number.

It is an amenable number.

80461 is a deficient number, since it is larger than the sum of its proper divisors (4751).

80461 is a wasteful number, since it uses less digits than its factorization.

80461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4750.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 80461 is about 283.6564823867. The cubic root of 80461 is about 43.1713015269.

Adding to 80461 its reverse (16408), we get a palindrome (96869).

The spelling of 80461 in words is "eighty thousand, four hundred sixty-one".