30775001 has 2 divisors, whose sum is σ = 30775002. Its totient is φ = 30775000.

The previous prime is 30774973. The next prime is 30775007. The reversal of 30775001 is 10057703.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19891600 + 10883401 = 4460^2 + 3299^2 .

It is an emirp because it is prime and its reverse (10057703) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30775001 - 2¹⁴ = 30758617 is a prime.

It is not a weakly prime, because it can be changed into another prime (30775007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15387500 + 15387501.

It is an arithmetic number, because the mean of its divisors is an integer number (15387501).

Almost surely, 2^30775001 is an apocalyptic number.

It is an amenable number.

30775001 is a deficient number, since it is larger than the sum of its proper divisors (1).

30775001 is an equidigital number, since it uses as much as digits as its factorization.

30775001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 735, while the sum is 23.

The square root of 30775001 is about 5547.5220594424. The cubic root of 30775001 is about 313.3762109975.

The spelling of 30775001 in words is "thirty million, seven hundred seventy-five thousand, one".