10201601 has 4 divisors (see below), whose sum is σ = 10220100. Its totient is φ = 10183104.

The previous prime is 10201589. The next prime is 10201643. The reversal of 10201601 is 10610201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3519376 + 6682225 = 1876^2 + 2585^2 .

It is a cyclic number.

It is not a de Polignac number, because 10201601 - 2²² = 6007297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10201001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8396 + ... + 9533.

It is an arithmetic number, because the mean of its divisors is an integer number (2555025).

Almost surely, 2^10201601 is an apocalyptic number.

It is an amenable number.

10201601 is a deficient number, since it is larger than the sum of its proper divisors (18499).

10201601 is an equidigital number, since it uses as much as digits as its factorization.

10201601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18498.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 10201601 is about 3193.9945209721. The cubic root of 10201601 is about 216.8816346416.

Adding to 10201601 its reverse (10610201), we get a palindrome (20811802).

The spelling of 10201601 in words is "ten million, two hundred one thousand, six hundred one".