663113497 has 4 divisors (see below), whose sum is σ = 663316020. Its totient is φ = 662910976.

The previous prime is 663113491. The next prime is 663113501. The reversal of 663113497 is 794311366.

663113497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 82737216 + 580376281 = 9096^2 + 24091^2 .

It is a cyclic number.

It is not a de Polignac number, because 663113497 - 2³ = 663113489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (663113491) 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, 96268 + ... + 102925.

It is an arithmetic number, because the mean of its divisors is an integer number (165829005).

Almost surely, 2^663113497 is an apocalyptic number.

It is an amenable number.

663113497 is a deficient number, since it is larger than the sum of its proper divisors (202523).

663113497 is a wasteful number, since it uses less digits than its factorization.

663113497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202522.

The product of its digits is 81648, while the sum is 40.

The square root of 663113497 is about 25750.9902139704. The cubic root of 663113497 is about 872.0257094972.

The spelling of 663113497 in words is "six hundred sixty-three million, one hundred thirteen thousand, four hundred ninety-seven".