2440313 has 2 divisors, whose sum is σ = 2440314. Its totient is φ = 2440312.

The previous prime is 2440301. The next prime is 2440327. The reversal of 2440313 is 3130442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2166784 + 273529 = 1472^2 + 523^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440313 - 2⁴ = 2440297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2440291 and 2440300.

It is not a weakly prime, because it can be changed into another prime (2440363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220156 + 1220157.

It is an arithmetic number, because the mean of its divisors is an integer number (1220157).

2^2440313 is an apocalyptic number.

It is an amenable number.

2440313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440313 is an equidigital number, since it uses as much as digits as its factorization.

2440313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2440313 is about 1562.1501208271. The cubic root of 2440313 is about 134.6320662613.

Adding to 2440313 its reverse (3130442), we get a palindrome (5570755).

The spelling of 2440313 in words is "two million, four hundred forty thousand, three hundred thirteen".