80203061 has 2 divisors, whose sum is σ = 80203062. Its totient is φ = 80203060.

The previous prime is 80203037. The next prime is 80203069. The reversal of 80203061 is 16030208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68574961 + 11628100 = 8281^2 + 3410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80203061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80203069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40101530 + 40101531.

It is an arithmetic number, because the mean of its divisors is an integer number (40101531).

Almost surely, 2^80203061 is an apocalyptic number.

It is an amenable number.

80203061 is a deficient number, since it is larger than the sum of its proper divisors (1).

80203061 is an equidigital number, since it uses as much as digits as its factorization.

80203061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 80203061 is about 8955.6161708729. The cubic root of 80203061 is about 431.2511980363.

Adding to 80203061 its reverse (16030208), we get a palindrome (96233269).

The spelling of 80203061 in words is "eighty million, two hundred three thousand, sixty-one".