2030261 has 4 divisors (see below), whose sum is σ = 2100300. Its totient is φ = 1960224.

The previous prime is 2030257. The next prime is 2030267. The reversal of 2030261 is 1620302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1620302 = 2 ⋅810151.

It can be written as a sum of positive squares in 2 ways, for example, as 649636 + 1380625 = 806^2 + 1175^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030261 - 2² = 2030257 is a prime.

It is a Duffinian number.

2030261 is a modest number, since divided by 261 gives 203 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030267) 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, 34976 + ... + 35033.

It is an arithmetic number, because the mean of its divisors is an integer number (525075).

2^2030261 is an apocalyptic number.

It is an amenable number.

2030261 is a deficient number, since it is larger than the sum of its proper divisors (70039).

2030261 is an equidigital number, since it uses as much as digits as its factorization.

2030261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70038.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2030261 is about 1424.8722749777. The cubic root of 2030261 is about 126.6243679941.

Adding to 2030261 its reverse (1620302), we get a palindrome (3650563).

The spelling of 2030261 in words is "two million, thirty thousand, two hundred sixty-one".