663302041 has 4 divisors (see below), whose sum is σ = 663518500. Its totient is φ = 663085584.

The previous prime is 663302033. The next prime is 663302089. The reversal of 663302041 is 140203366.

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 38502025 + 624800016 = 6205^2 + 24996^2 .

It is a cyclic number.

It is not a de Polignac number, because 663302041 - 2³ = 663302033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 663301997 and 663302015.

It is not an unprimeable number, because it can be changed into a prime (663302011) 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, 103566 + ... + 109783.

It is an arithmetic number, because the mean of its divisors is an integer number (165879625).

Almost surely, 2^663302041 is an apocalyptic number.

It is an amenable number.

663302041 is a deficient number, since it is larger than the sum of its proper divisors (216459).

663302041 is a wasteful number, since it uses less digits than its factorization.

663302041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216458.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 663302041 is about 25754.6508615434. The cubic root of 663302041 is about 872.1083497670.

The spelling of 663302041 in words is "six hundred sixty-three million, three hundred two thousand, forty-one".