115663001 has 2 divisors, whose sum is σ = 115663002. Its totient is φ = 115663000.

The previous prime is 115662997. The next prime is 115663027. The reversal of 115663001 is 100366511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58675600 + 56987401 = 7660^2 + 7549^2 .

It is a cyclic number.

It is not a de Polignac number, because 115663001 - 2² = 115662997 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115665001) 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, 57831500 + 57831501.

It is an arithmetic number, because the mean of its divisors is an integer number (57831501).

Almost surely, 2^115663001 is an apocalyptic number.

It is an amenable number.

115663001 is a deficient number, since it is larger than the sum of its proper divisors (1).

115663001 is an equidigital number, since it uses as much as digits as its factorization.

115663001 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 23.

The square root of 115663001 is about 10754.6734492499. The cubic root of 115663001 is about 487.2271553215.

It can be divided in two parts, 1156 and 63001, that multiplied together give a square (72829156 = 8534²).

The spelling of 115663001 in words is "one hundred fifteen million, six hundred sixty-three thousand, one".