80285551 has 2 divisors, whose sum is σ = 80285552. Its totient is φ = 80285550.

The previous prime is 80285549. The next prime is 80285563. The reversal of 80285551 is 15558208.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80285551 - 2¹ = 80285549 is a prime.

Together with 80285549, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80285531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40142775 + 40142776.

It is an arithmetic number, because the mean of its divisors is an integer number (40142776).

Almost surely, 2^80285551 is an apocalyptic number.

80285551 is a deficient number, since it is larger than the sum of its proper divisors (1).

80285551 is an equidigital number, since it uses as much as digits as its factorization.

80285551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16000, while the sum is 34.

The square root of 80285551 is about 8960.2204771981. The cubic root of 80285551 is about 431.3989967269.

The spelling of 80285551 in words is "eighty million, two hundred eighty-five thousand, five hundred fifty-one".