80719253 has 2 divisors, whose sum is σ = 80719254. Its totient is φ = 80719252.

The previous prime is 80719193. The next prime is 80719271. The reversal of 80719253 is 35291708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80694289 + 24964 = 8983^2 + 158^2 .

It is a cyclic number.

It is not a de Polignac number, because 80719253 - 2⁸ = 80718997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_4708880 and since 80719253 and 4708880 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80719273) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40359626 + 40359627.

It is an arithmetic number, because the mean of its divisors is an integer number (40359627).

Almost surely, 2^80719253 is an apocalyptic number.

It is an amenable number.

80719253 is a deficient number, since it is larger than the sum of its proper divisors (1).

80719253 is an equidigital number, since it uses as much as digits as its factorization.

80719253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 80719253 is about 8984.3894060754. The cubic root of 80719253 is about 432.1744069595.

The spelling of 80719253 in words is "eighty million, seven hundred nineteen thousand, two hundred fifty-three".