80143061 has 2 divisors, whose sum is σ = 80143062. Its totient is φ = 80143060.

The previous prime is 80143043. The next prime is 80143067. The reversal of 80143061 is 16034108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79744900 + 398161 = 8930^2 + 631^2 .

It is a cyclic number.

It is not a de Polignac number, because 80143061 - 2¹⁸ = 79880917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80143067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40071530 + 40071531.

It is an arithmetic number, because the mean of its divisors is an integer number (40071531).

Almost surely, 2^80143061 is an apocalyptic number.

It is an amenable number.

80143061 is a deficient number, since it is larger than the sum of its proper divisors (1).

80143061 is an equidigital number, since it uses as much as digits as its factorization.

80143061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 80143061 is about 8952.2656908740. The cubic root of 80143061 is about 431.1436313731.

Adding to 80143061 its reverse (16034108), we get a palindrome (96177169).

The spelling of 80143061 in words is "eighty million, one hundred forty-three thousand, sixty-one".