712197397 has 2 divisors, whose sum is σ = 712197398. Its totient is φ = 712197396.

The previous prime is 712197391. The next prime is 712197413. The reversal of 712197397 is 793791217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 645464836 + 66732561 = 25406^2 + 8169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-712197397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712197391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356098698 + 356098699.

It is an arithmetic number, because the mean of its divisors is an integer number (356098699).

Almost surely, 2^712197397 is an apocalyptic number.

It is an amenable number.

712197397 is a deficient number, since it is larger than the sum of its proper divisors (1).

712197397 is an equidigital number, since it uses as much as digits as its factorization.

712197397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 166698, while the sum is 46.

The square root of 712197397 is about 26687.0267545862. The cubic root of 712197397 is about 893.0315327735.

The spelling of 712197397 in words is "seven hundred twelve million, one hundred ninety-seven thousand, three hundred ninety-seven".