79190201 has 2 divisors, whose sum is σ = 79190202. Its totient is φ = 79190200.

The previous prime is 79190197. The next prime is 79190203. The reversal of 79190201 is 10209197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48664576 + 30525625 = 6976^2 + 5525^2 .

It is a cyclic number.

It is not a de Polignac number, because 79190201 - 2² = 79190197 is a prime.

Together with 79190203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79190203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39595100 + 39595101.

It is an arithmetic number, because the mean of its divisors is an integer number (39595101).

Almost surely, 2^79190201 is an apocalyptic number.

It is an amenable number.

79190201 is a deficient number, since it is larger than the sum of its proper divisors (1).

79190201 is an equidigital number, since it uses as much as digits as its factorization.

79190201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 79190201 is about 8898.8876271139. The cubic root of 79190201 is about 429.4281220475.

Adding to 79190201 its reverse (10209197), we get a palindrome (89399398).

The spelling of 79190201 in words is "seventy-nine million, one hundred ninety thousand, two hundred one".