11653601 has 2 divisors, whose sum is σ = 11653602. Its totient is φ = 11653600.

The previous prime is 11653597. The next prime is 11653627. The reversal of 11653601 is 10635611.

It is a happy number.

11653601 is digitally balanced in base 2, 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., 8410000 + 3243601 = 2900^2 + 1801^2 .

It is a cyclic number.

It is not a de Polignac number, because 11653601 - 2² = 11653597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11653651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5826800 + 5826801.

It is an arithmetic number, because the mean of its divisors is an integer number (5826801).

Almost surely, 2^11653601 is an apocalyptic number.

It is an amenable number.

11653601 is a deficient number, since it is larger than the sum of its proper divisors (1).

11653601 is an equidigital number, since it uses as much as digits as its factorization.

11653601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 11653601 is about 3413.7371017698. The cubic root of 11653601 is about 226.7183722394.

The spelling of 11653601 in words is "eleven million, six hundred fifty-three thousand, six hundred one".