2026030261 has 4 divisors (see below), whose sum is σ = 2026132812. Its totient is φ = 2025927712.

The previous prime is 2026030213. The next prime is 2026030273. The reversal of 2026030261 is 1620306202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1163492100 + 862538161 = 34110^2 + 29369^2 .

It is a cyclic number.

It is not a de Polignac number, because 2026030261 - 2⁷ = 2026030133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2026030861) 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, 11200 + ... + 64633.

It is an arithmetic number, because the mean of its divisors is an integer number (506533203).

Almost surely, 2^2026030261 is an apocalyptic number.

It is an amenable number.

2026030261 is a deficient number, since it is larger than the sum of its proper divisors (102551).

2026030261 is an equidigital number, since it uses as much as digits as its factorization.

2026030261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102550.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2026030261 is about 45011.4458887959. The cubic root of 2026030261 is about 1265.3635185591.

Adding to 2026030261 its reverse (1620306202), we get a palindrome (3646336463).

The spelling of 2026030261 in words is "two billion, twenty-six million, thirty thousand, two hundred sixty-one".