80197349 has 2 divisors, whose sum is σ = 80197350. Its totient is φ = 80197348.

The previous prime is 80197331. The next prime is 80197361. The reversal of 80197349 is 94379108.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73530625 + 6666724 = 8575^2 + 2582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80197349 is a prime.

It is a super-2 number, since 2×80197349² = 12863229573255602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80197319) 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, 40098674 + 40098675.

It is an arithmetic number, because the mean of its divisors is an integer number (40098675).

Almost surely, 2^80197349 is an apocalyptic number.

It is an amenable number.

80197349 is a deficient number, since it is larger than the sum of its proper divisors (1).

80197349 is an equidigital number, since it uses as much as digits as its factorization.

80197349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 80197349 is about 8955.2972591645. The cubic root of 80197349 is about 431.2409600009.

The spelling of 80197349 in words is "eighty million, one hundred ninety-seven thousand, three hundred forty-nine".