2345261 has 2 divisors, whose sum is σ = 2345262. Its totient is φ = 2345260.

The previous prime is 2345257. The next prime is 2345279. The reversal of 2345261 is 1625432.

2345261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1357225 + 988036 = 1165^2 + 994^2 .

It is a cyclic number.

It is not a de Polignac number, because 2345261 - 2² = 2345257 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2 + 3¹² + 4 + 5⁵ + 2¹⁷ + 6⁸ + 1 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2345461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1172630 + 1172631.

It is an arithmetic number, because the mean of its divisors is an integer number (1172631).

2^2345261 is an apocalyptic number.

It is an amenable number.

2345261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2345261 is an equidigital number, since it uses as much as digits as its factorization.

2345261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 23.

The square root of 2345261 is about 1531.4245002611. The cubic root of 2345261 is about 132.8608603863.

The spelling of 2345261 in words is "two million, three hundred forty-five thousand, two hundred sixty-one".