913247063 has 4 divisors (see below), whose sum is σ = 913501800. Its totient is φ = 912992328.

The previous prime is 913247053. The next prime is 913247107. The reversal of 913247063 is 360742319.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-913247063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913247053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121913 + ... + 129186.

It is an arithmetic number, because the mean of its divisors is an integer number (228375450).

Almost surely, 2^913247063 is an apocalyptic number.

913247063 is a deficient number, since it is larger than the sum of its proper divisors (254737).

913247063 is a wasteful number, since it uses less digits than its factorization.

913247063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254736.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 913247063 is about 30219.9778788801. The cubic root of 913247063 is about 970.2033310950.

The spelling of 913247063 in words is "nine hundred thirteen million, two hundred forty-seven thousand, sixty-three".