80021153 has 2 divisors, whose sum is σ = 80021154. Its totient is φ = 80021152.

The previous prime is 80021147. The next prime is 80021167. The reversal of 80021153 is 35112008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62615569 + 17405584 = 7913^2 + 4172^2 .

It is a cyclic number.

It is not a de Polignac number, because 80021153 - 2⁶ = 80021089 is a prime.

It is not a weakly prime, because it can be changed into another prime (80021143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40010576 + 40010577.

It is an arithmetic number, because the mean of its divisors is an integer number (40010577).

Almost surely, 2^80021153 is an apocalyptic number.

It is an amenable number.

80021153 is a deficient number, since it is larger than the sum of its proper divisors (1).

80021153 is an equidigital number, since it uses as much as digits as its factorization.

80021153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 80021153 is about 8945.4543204915. The cubic root of 80021153 is about 430.9249119571.

The spelling of 80021153 in words is "eighty million, twenty-one thousand, one hundred fifty-three".