115213603 has 2 divisors, whose sum is σ = 115213604. Its totient is φ = 115213602.

The previous prime is 115213561. The next prime is 115213643. The reversal of 115213603 is 306312511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115213603 is a prime.

It is not a weakly prime, because it can be changed into another prime (115213643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57606801 + 57606802.

It is an arithmetic number, because the mean of its divisors is an integer number (57606802).

Almost surely, 2^115213603 is an apocalyptic number.

115213603 is a deficient number, since it is larger than the sum of its proper divisors (1).

115213603 is an equidigital number, since it uses as much as digits as its factorization.

115213603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 115213603 is about 10733.7599656411. The cubic root of 115213603 is about 486.5953107888.

The spelling of 115213603 in words is "one hundred fifteen million, two hundred thirteen thousand, six hundred three".