2031201 has 6 divisors (see below), whose sum is σ = 2933970. Its totient is φ = 1354128.

The previous prime is 2031187. The next prime is 2031217. The reversal of 2031201 is 1021302.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2030625 + 576 = 1425^2 + 24^2 .

It is not a de Polignac number, because 2031201 - 2⁶ = 2031137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 225689 = 2031201 / (2 + 0 + 3 + 1 + 2 + 0 + 1).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2031251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112836 + ... + 112853.

It is an arithmetic number, because the mean of its divisors is an integer number (488995).

2^2031201 is an apocalyptic number.

It is an amenable number.

2031201 is a deficient number, since it is larger than the sum of its proper divisors (902769).

2031201 is a wasteful number, since it uses less digits than its factorization.

2031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225695 (or 225692 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2031201 is about 1425.2020909331. The cubic root of 2031201 is about 126.6439071142.

Adding to 2031201 its reverse (1021302), we get a palindrome (3052503).

The spelling of 2031201 in words is "two million, thirty-one thousand, two hundred one".