80534357 has 2 divisors, whose sum is σ = 80534358. Its totient is φ = 80534356.

The previous prime is 80534341. The next prime is 80534371. The reversal of 80534357 is 75343508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80532676 + 1681 = 8974^2 + 41^2 .

It is a cyclic number.

It is not a de Polignac number, because 80534357 - 2⁴ = 80534341 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80534327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40267178 + 40267179.

It is an arithmetic number, because the mean of its divisors is an integer number (40267179).

Almost surely, 2^80534357 is an apocalyptic number.

It is an amenable number.

80534357 is a deficient number, since it is larger than the sum of its proper divisors (1).

80534357 is an equidigital number, since it uses as much as digits as its factorization.

80534357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 80534357 is about 8974.0936589719. The cubic root of 80534357 is about 431.8441742662.

The spelling of 80534357 in words is "eighty million, five hundred thirty-four thousand, three hundred fifty-seven".