80625197 has 2 divisors, whose sum is σ = 80625198. Its totient is φ = 80625196.

The previous prime is 80625173. The next prime is 80625199. The reversal of 80625197 is 79152608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78605956 + 2019241 = 8866^2 + 1421^2 .

It is a cyclic number.

It is not a de Polignac number, because 80625197 - 2⁸ = 80624941 is a prime.

Together with 80625199, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80625197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80625199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40312598 + 40312599.

It is an arithmetic number, because the mean of its divisors is an integer number (40312599).

Almost surely, 2^80625197 is an apocalyptic number.

It is an amenable number.

80625197 is a deficient number, since it is larger than the sum of its proper divisors (1).

80625197 is an equidigital number, since it uses as much as digits as its factorization.

80625197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 80625197 is about 8979.1534678944. The cubic root of 80625197 is about 432.0064817415.

The spelling of 80625197 in words is "eighty million, six hundred twenty-five thousand, one hundred ninety-seven".