80263553 has 2 divisors, whose sum is σ = 80263554. Its totient is φ = 80263552.

The previous prime is 80263549. The next prime is 80263559. The reversal of 80263553 is 35536208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78446449 + 1817104 = 8857^2 + 1348^2 .

It is a cyclic number.

It is not a de Polignac number, because 80263553 - 2² = 80263549 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80263559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40131776 + 40131777.

It is an arithmetic number, because the mean of its divisors is an integer number (40131777).

Almost surely, 2^80263553 is an apocalyptic number.

It is an amenable number.

80263553 is a deficient number, since it is larger than the sum of its proper divisors (1).

80263553 is an equidigital number, since it uses as much as digits as its factorization.

80263553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 80263553 is about 8958.9928563427. The cubic root of 80263553 is about 431.3595924511.

The spelling of 80263553 in words is "eighty million, two hundred sixty-three thousand, five hundred fifty-three".