2520426317 has 2 divisors, whose sum is σ = 2520426318. Its totient is φ = 2520426316.

The previous prime is 2520426313. The next prime is 2520426329. The reversal of 2520426317 is 7136240252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1802936521 + 717489796 = 42461^2 + 26786^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520426317 - 2² = 2520426313 is a prime.

It is a super-3 number, since 3×2520426317³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520426313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260213158 + 1260213159.

It is an arithmetic number, because the mean of its divisors is an integer number (1260213159).

Almost surely, 2^2520426317 is an apocalyptic number.

It is an amenable number.

2520426317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520426317 is an equidigital number, since it uses as much as digits as its factorization.

2520426317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 2520426317 is about 50203.8476314316. The cubic root of 2520426317 is about 1360.8951569626.

Adding to 2520426317 its reverse (7136240252), we get a palindrome (9656666569).

The spelling of 2520426317 in words is "two billion, five hundred twenty million, four hundred twenty-six thousand, three hundred seventeen".