663259097 has 8 divisors (see below), whose sum is σ = 702513000. Its totient is φ = 624031744.

The previous prime is 663259057. The next prime is 663259099. The reversal of 663259097 is 790952366.

663259097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4618201 + 658640896 = 2149^2 + 25664^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 663259097 - 2²⁴ = 646481881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (663259099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70529 + ... + 79377.

It is an arithmetic number, because the mean of its divisors is an integer number (87814125).

Almost surely, 2^663259097 is an apocalyptic number.

It is an amenable number.

663259097 is a deficient number, since it is larger than the sum of its proper divisors (39253903).

663259097 is a wasteful number, since it uses less digits than its factorization.

663259097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13275.

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 663259097 is about 25753.8171345531. The cubic root of 663259097 is about 872.0895284624.

The spelling of 663259097 in words is "six hundred sixty-three million, two hundred fifty-nine thousand, ninety-seven".