9201601 has 2 divisors, whose sum is σ = 9201602. Its totient is φ = 9201600.

The previous prime is 9201593. The next prime is 9201611. The reversal of 9201601 is 1061029.

9201601 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9000000 + 201601 = 3000^2 + 449^2 .

It is a cyclic number.

It is not a de Polignac number, because 9201601 - 2³ = 9201593 is a prime.

It is not a weakly prime, because it can be changed into another prime (9201611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4600800 + 4600801.

It is an arithmetic number, because the mean of its divisors is an integer number (4600801).

Almost surely, 2^9201601 is an apocalyptic number.

It is an amenable number.

9201601 is a deficient number, since it is larger than the sum of its proper divisors (1).

9201601 is an equidigital number, since it uses as much as digits as its factorization.

9201601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 9201601 is about 3033.4140831743. The cubic root of 9201601 is about 209.5500646465.

It can be divided in two parts, 9 and 201601, that multiplied together give a square (1814409 = 1347²).

The spelling of 9201601 in words is "nine million, two hundred one thousand, six hundred one".