69797197 has 2 divisors, whose sum is σ = 69797198. Its totient is φ = 69797196.

The previous prime is 69797191. The next prime is 69797227. The reversal of 69797197 is 79179796.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34975396 + 34821801 = 5914^2 + 5901^2 .

It is a cyclic number.

It is not a de Polignac number, because 69797197 - 2⁷ = 69797069 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 (69797191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34898598 + 34898599.

It is an arithmetic number, because the mean of its divisors is an integer number (34898599).

Almost surely, 2^69797197 is an apocalyptic number.

It is an amenable number.

69797197 is a deficient number, since it is larger than the sum of its proper divisors (1).

69797197 is an equidigital number, since it uses as much as digits as its factorization.

69797197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1500282, while the sum is 55.

The square root of 69797197 is about 8354.4716768926. The cubic root of 69797197 is about 411.7301407004.

The spelling of 69797197 in words is "sixty-nine million, seven hundred ninety-seven thousand, one hundred ninety-seven".