2340321253 has 2 divisors, whose sum is σ = 2340321254. Its totient is φ = 2340321252.

The previous prime is 2340321229. The next prime is 2340321259. The reversal of 2340321253 is 3521230432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1667333889 + 672987364 = 40833^2 + 25942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2340321253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2340321259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170160626 + 1170160627.

It is an arithmetic number, because the mean of its divisors is an integer number (1170160627).

Almost surely, 2^2340321253 is an apocalyptic number.

It is an amenable number.

2340321253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340321253 is an equidigital number, since it uses as much as digits as its factorization.

2340321253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2340321253 is about 48376.8669200476. The cubic root of 2340321253 is about 1327.6751464827.

Adding to 2340321253 its reverse (3521230432), we get a palindrome (5861551685).

The spelling of 2340321253 in words is "two billion, three hundred forty million, three hundred twenty-one thousand, two hundred fifty-three".