30105601 has 2 divisors, whose sum is σ = 30105602. Its totient is φ = 30105600.

The previous prime is 30105587. The next prime is 30105631. The reversal of 30105601 is 10650103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29986576 + 119025 = 5476^2 + 345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30105601 is a prime.

It is not a weakly prime, because it can be changed into another prime (30105631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15052800 + 15052801.

It is an arithmetic number, because the mean of its divisors is an integer number (15052801).

It is a Proth number, since it is equal to 3675 ⋅ 2¹³ + 1 and 3675 < 2¹³.

Almost surely, 2^30105601 is an apocalyptic number.

It is an amenable number.

30105601 is a deficient number, since it is larger than the sum of its proper divisors (1).

30105601 is an equidigital number, since it uses as much as digits as its factorization.

30105601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 30105601 is about 5486.8571149612. The cubic root of 30105601 is about 311.0874090456.

Adding to 30105601 its reverse (10650103), we get a palindrome (40755704).

The spelling of 30105601 in words is "thirty million, one hundred five thousand, six hundred one".