80046481 has 2 divisors, whose sum is σ = 80046482. Its totient is φ = 80046480.

The previous prime is 80046479. The next prime is 80046493. The reversal of 80046481 is 18464008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58003456 + 22043025 = 7616^2 + 4695^2 .

It is a cyclic number.

It is not a de Polignac number, because 80046481 - 2¹ = 80046479 is a prime.

It is a super-2 number, since 2×80046481² = 12814878240966722, which contains 22 as substring.

Together with 80046479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (80046881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40023240 + 40023241.

It is an arithmetic number, because the mean of its divisors is an integer number (40023241).

Almost surely, 2^80046481 is an apocalyptic number.

It is an amenable number.

80046481 is a deficient number, since it is larger than the sum of its proper divisors (1).

80046481 is an equidigital number, since it uses as much as digits as its factorization.

80046481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 80046481 is about 8946.8698995794. The cubic root of 80046481 is about 430.9703720821.

The spelling of 80046481 in words is "eighty million, forty-six thousand, four hundred eighty-one".