115663403 has 2 divisors, whose sum is σ = 115663404. Its totient is φ = 115663402.

The previous prime is 115663399. The next prime is 115663417. The reversal of 115663403 is 304366511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115663403 - 2² = 115663399 is a prime.

It is not a weakly prime, because it can be changed into another prime (115663703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57831701 + 57831702.

It is an arithmetic number, because the mean of its divisors is an integer number (57831702).

Almost surely, 2^115663403 is an apocalyptic number.

115663403 is a deficient number, since it is larger than the sum of its proper divisors (1).

115663403 is an equidigital number, since it uses as much as digits as its factorization.

115663403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 115663403 is about 10754.6921387830. The cubic root of 115663403 is about 487.2277197921.

The spelling of 115663403 in words is "one hundred fifteen million, six hundred sixty-three thousand, four hundred three".