8101397 has 2 divisors, whose sum is σ = 8101398. Its totient is φ = 8101396.

The previous prime is 8101393. The next prime is 8101399. The reversal of 8101397 is 7931018.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8099716 + 1681 = 2846^2 + 41^2 .

It is a cyclic number.

It is not a de Polignac number, because 8101397 - 2² = 8101393 is a prime.

Together with 8101399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8101393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4050698 + 4050699.

It is an arithmetic number, because the mean of its divisors is an integer number (4050699).

Almost surely, 2^8101397 is an apocalyptic number.

It is an amenable number.

8101397 is a deficient number, since it is larger than the sum of its proper divisors (1).

8101397 is an equidigital number, since it uses as much as digits as its factorization.

8101397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 8101397 is about 2846.2953114531. The cubic root of 8101397 is about 200.8414300132.

The spelling of 8101397 in words is "eight million, one hundred one thousand, three hundred ninety-seven".