30663005 has 8 divisors (see below), whose sum is σ = 38064600. Its totient is φ = 23684416.

The previous prime is 30662987. The next prime is 30663011. The reversal of 30663005 is 50036603.

It can be written as a sum of positive squares in 4 ways, for example, as 3892729 + 26770276 = 1973^2 + 5174^2 .

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

It is not a de Polignac number, because 30663005 - 2¹⁴ = 30646621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105590 + ... + 105879.

It is an arithmetic number, because the mean of its divisors is an integer number (4758075).

Almost surely, 2^30663005 is an apocalyptic number.

It is an amenable number.

30663005 is a deficient number, since it is larger than the sum of its proper divisors (7401595).

30663005 is a wasteful number, since it uses less digits than its factorization.

30663005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211503.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 30663005 is about 5537.4186224269. The cubic root of 30663005 is about 312.9956039899.

Adding to 30663005 its reverse (50036603), we get a palindrome (80699608).

The spelling of 30663005 in words is "thirty million, six hundred sixty-three thousand, five".