801601 has 8 divisors (see below), whose sum is σ = 863784. Its totient is φ = 741120.

The previous prime is 801571. The next prime is 801607. The reversal of 801601 is 106108.

It can be written as a sum of positive squares in 4 ways, for example, as 576 + 801025 = 24^2 + 895^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 801601 - 2⁵ = 801569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651 + ... + 1423.

It is an arithmetic number, because the mean of its divisors is an integer number (107973).

2⁸⁰¹⁶⁰¹ is an apocalyptic number.

It is an amenable number.

801601 is a deficient number, since it is larger than the sum of its proper divisors (62183).

801601 is a wasteful number, since it uses less digits than its factorization.

801601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 801601 is about 895.3217298826. The cubic root of 801601 is about 92.8936619390.

Adding to 801601 its reverse (106108), we get a palindrome (907709).

It can be divided in two parts, 80 and 1601, that added together give a square (1681 = 41²).

The spelling of 801601 in words is "eight hundred one thousand, six hundred one".