115522397 has 2 divisors, whose sum is σ = 115522398. Its totient is φ = 115522396.

The previous prime is 115522391. The next prime is 115522423. The reversal of 115522397 is 793225511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93045316 + 22477081 = 9646^2 + 4741^2 .

It is a cyclic number.

It is not a de Polignac number, because 115522397 - 2¹² = 115518301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115522391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57761198 + 57761199.

It is an arithmetic number, because the mean of its divisors is an integer number (57761199).

Almost surely, 2^115522397 is an apocalyptic number.

It is an amenable number.

115522397 is a deficient number, since it is larger than the sum of its proper divisors (1).

115522397 is an equidigital number, since it uses as much as digits as its factorization.

115522397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 35.

The square root of 115522397 is about 10748.1345823357. The cubic root of 115522397 is about 487.0296451279.

The spelling of 115522397 in words is "one hundred fifteen million, five hundred twenty-two thousand, three hundred ninety-seven".