115605229 has 2 divisors, whose sum is σ = 115605230. Its totient is φ = 115605228.

The previous prime is 115605167. The next prime is 115605239. The reversal of 115605229 is 922506511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83229129 + 32376100 = 9123^2 + 5690^2 .

It is an emirp because it is prime and its reverse (922506511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115605229 - 2⁹ = 115604717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115605229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115605239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57802614 + 57802615.

It is an arithmetic number, because the mean of its divisors is an integer number (57802615).

Almost surely, 2^115605229 is an apocalyptic number.

It is an amenable number.

115605229 is a deficient number, since it is larger than the sum of its proper divisors (1).

115605229 is an equidigital number, since it uses as much as digits as its factorization.

115605229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 115605229 is about 10751.9872116739. The cubic root of 115605229 is about 487.1460208337.

The spelling of 115605229 in words is "one hundred fifteen million, six hundred five thousand, two hundred twenty-nine".