115303813 has 2 divisors, whose sum is σ = 115303814. Its totient is φ = 115303812.

The previous prime is 115303801. The next prime is 115303819. The reversal of 115303813 is 318303511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81396484 + 33907329 = 9022^2 + 5823^2 .

It is a cyclic number.

It is not a de Polignac number, because 115303813 - 2¹⁷ = 115172741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115303819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57651906 + 57651907.

It is an arithmetic number, because the mean of its divisors is an integer number (57651907).

Almost surely, 2^115303813 is an apocalyptic number.

It is an amenable number.

115303813 is a deficient number, since it is larger than the sum of its proper divisors (1).

115303813 is an equidigital number, since it uses as much as digits as its factorization.

115303813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 115303813 is about 10737.9613055738. The cubic root of 115303813 is about 486.7222758644.

The spelling of 115303813 in words is "one hundred fifteen million, three hundred three thousand, eight hundred thirteen".