80285549 has 2 divisors, whose sum is σ = 80285550. Its totient is φ = 80285548.

The previous prime is 80285539. The next prime is 80285551. The reversal of 80285549 is 94558208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46854025 + 33431524 = 6845^2 + 5782^2 .

It is a cyclic number.

It is not a de Polignac number, because 80285549 - 2⁴ = 80285533 is a prime.

Together with 80285551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80285539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40142774 + 40142775.

It is an arithmetic number, because the mean of its divisors is an integer number (40142775).

Almost surely, 2^80285549 is an apocalyptic number.

It is an amenable number.

80285549 is a deficient number, since it is larger than the sum of its proper divisors (1).

80285549 is an equidigital number, since it uses as much as digits as its factorization.

80285549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 80285549 is about 8960.2203655937. The cubic root of 80285549 is about 431.3989931447.

The spelling of 80285549 in words is "eighty million, two hundred eighty-five thousand, five hundred forty-nine".