2023261 has 2 divisors, whose sum is σ = 2023262. Its totient is φ = 2023260.

The previous prime is 2023223. The next prime is 2023267. The reversal of 2023261 is 1623202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1060900 + 962361 = 1030^2 + 981^2 .

It is a cyclic number.

It is not a de Polignac number, because 2023261 - 2⁹ = 2022749 is a prime.

2023261 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2023267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011630 + 1011631.

It is an arithmetic number, because the mean of its divisors is an integer number (1011631).

2^2023261 is an apocalyptic number.

It is an amenable number.

2023261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2023261 is an equidigital number, since it uses as much as digits as its factorization.

2023261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2023261 is about 1422.4137935214. The cubic root of 2023261 is about 126.4786738826.

Adding to 2023261 its reverse (1623202), we get a palindrome (3646463).

The spelling of 2023261 in words is "two million, twenty-three thousand, two hundred sixty-one".