115822501 has 2 divisors, whose sum is σ = 115822502. Its totient is φ = 115822500.

The previous prime is 115822459. The next prime is 115822517. The reversal of 115822501 is 105228511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77704225 + 38118276 = 8815^2 + 6174^2 .

It is an emirp because it is prime and its reverse (105228511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115822501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115822001) 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, 57911250 + 57911251.

It is an arithmetic number, because the mean of its divisors is an integer number (57911251).

Almost surely, 2^115822501 is an apocalyptic number.

It is an amenable number.

115822501 is a deficient number, since it is larger than the sum of its proper divisors (1).

115822501 is an equidigital number, since it uses as much as digits as its factorization.

115822501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 115822501 is about 10762.0862754393. The cubic root of 115822501 is about 487.4510155472.

The spelling of 115822501 in words is "one hundred fifteen million, eight hundred twenty-two thousand, five hundred one".