80013553 has 2 divisors, whose sum is σ = 80013554. Its totient is φ = 80013552.

The previous prime is 80013533. The next prime is 80013589. The reversal of 80013553 is 35531008.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77739489 + 2274064 = 8817^2 + 1508^2 .

It is a cyclic number.

It is not a de Polignac number, because 80013553 - 2²⁵ = 46459121 is a prime.

It is not a weakly prime, because it can be changed into another prime (80013533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40006776 + 40006777.

It is an arithmetic number, because the mean of its divisors is an integer number (40006777).

Almost surely, 2^80013553 is an apocalyptic number.

It is an amenable number.

80013553 is a deficient number, since it is larger than the sum of its proper divisors (1).

80013553 is an equidigital number, since it uses as much as digits as its factorization.

80013553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 80013553 is about 8945.0295136461. The cubic root of 80013553 is about 430.9112691769.

The spelling of 80013553 in words is "eighty million, thirteen thousand, five hundred fifty-three".