2031601 has 8 divisors (see below), whose sum is σ = 2386944. Its totient is φ = 1704720.

The previous prime is 2031599. The next prime is 2031611. The reversal of 2031601 is 1061302.

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 2031601 - 2¹ = 2031599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6961 + ... + 7246.

It is an arithmetic number, because the mean of its divisors is an integer number (298368).

2^2031601 is an apocalyptic number.

It is an amenable number.

2031601 is a deficient number, since it is larger than the sum of its proper divisors (355343).

2031601 is a wasteful number, since it uses less digits than its factorization.

2031601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14231.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2031601 is about 1425.3424150007. The cubic root of 2031601 is about 126.6522198051.

Adding to 2031601 its reverse (1061302), we get a palindrome (3092903).

Subtracting from 2031601 its reverse (1061302), we obtain a cube (970299 = 99³).

The spelling of 2031601 in words is "two million, thirty-one thousand, six hundred one".