2031265 has 4 divisors (see below), whose sum is σ = 2437524. Its totient is φ = 1625008.

The previous prime is 2031257. The next prime is 2031269. The reversal of 2031265 is 5621302.

It is a happy number.

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 1567504 + 463761 = 1252^2 + 681^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031265 - 2³ = 2031257 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031269) 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, 203122 + ... + 203131.

It is an arithmetic number, because the mean of its divisors is an integer number (609381).

2^2031265 is an apocalyptic number.

It is an amenable number.

2031265 is a deficient number, since it is larger than the sum of its proper divisors (406259).

2031265 is an equidigital number, since it uses as much as digits as its factorization.

2031265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406258.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2031265 is about 1425.2245437123. The cubic root of 2031265 is about 126.6452372181.

Adding to 2031265 its reverse (5621302), we get a palindrome (7652567).

The spelling of 2031265 in words is "two million, thirty-one thousand, two hundred sixty-five".