80353121 has 2 divisors, whose sum is σ = 80353122. Its totient is φ = 80353120.

The previous prime is 80353093. The next prime is 80353181. The reversal of 80353121 is 12135308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50922496 + 29430625 = 7136^2 + 5425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80353121 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (80353181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40176560 + 40176561.

It is an arithmetic number, because the mean of its divisors is an integer number (40176561).

Almost surely, 2^80353121 is an apocalyptic number.

It is an amenable number.

80353121 is a deficient number, since it is larger than the sum of its proper divisors (1).

80353121 is an equidigital number, since it uses as much as digits as its factorization.

80353121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 80353121 is about 8963.9902387274. The cubic root of 80353121 is about 431.5199875985.

Adding to 80353121 its reverse (12135308), we get a palindrome (92488429).

The spelling of 80353121 in words is "eighty million, three hundred fifty-three thousand, one hundred twenty-one".