115659953 has 2 divisors, whose sum is σ = 115659954. Its totient is φ = 115659952.

The previous prime is 115659941. The next prime is 115659983. The reversal of 115659953 is 359956511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81938704 + 33721249 = 9052^2 + 5807^2 .

It is an emirp because it is prime and its reverse (359956511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115659953 - 2⁸ = 115659697 is a prime.

It is not a weakly prime, because it can be changed into another prime (115659913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57829976 + 57829977.

It is an arithmetic number, because the mean of its divisors is an integer number (57829977).

Almost surely, 2^115659953 is an apocalyptic number.

It is an amenable number.

115659953 is a deficient number, since it is larger than the sum of its proper divisors (1).

115659953 is an equidigital number, since it uses as much as digits as its factorization.

115659953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 182250, while the sum is 44.

The square root of 115659953 is about 10754.5317424795. The cubic root of 115659953 is about 487.2228754124. Note that the first 3 decimals are identical.

The spelling of 115659953 in words is "one hundred fifteen million, six hundred fifty-nine thousand, nine hundred fifty-three".