2551313 has 2 divisors, whose sum is σ = 2551314. Its totient is φ = 2551312.

The previous prime is 2551279. The next prime is 2551349. The reversal of 2551313 is 3131552.

2551313 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., 2289169 + 262144 = 1513^2 + 512^2 .

It is a cyclic number.

It is not a de Polignac number, because 2551313 - 2⁶ = 2551249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2551013) 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, 1275656 + 1275657.

It is an arithmetic number, because the mean of its divisors is an integer number (1275657).

2^2551313 is an apocalyptic number.

It is an amenable number.

2551313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551313 is an equidigital number, since it uses as much as digits as its factorization.

2551313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 450, while the sum is 20.

The square root of 2551313 is about 1597.2830056067. The cubic root of 2551313 is about 136.6431653687.

Adding to 2551313 its reverse (3131552), we get a palindrome (5682865).

The spelling of 2551313 in words is "two million, five hundred fifty-one thousand, three hundred thirteen".