1513254317 has 2 divisors, whose sum is σ = 1513254318. Its totient is φ = 1513254316.

The previous prime is 1513254277. The next prime is 1513254319. The reversal of 1513254317 is 7134523151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1469878921 + 43375396 = 38339^2 + 6586^2 .

It is a cyclic number.

It is not a de Polignac number, because 1513254317 - 2¹⁴ = 1513237933 is a prime.

Together with 1513254319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1513254319) 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, 756627158 + 756627159.

It is an arithmetic number, because the mean of its divisors is an integer number (756627159).

Almost surely, 2^1513254317 is an apocalyptic number.

It is an amenable number.

1513254317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513254317 is an equidigital number, since it uses as much as digits as its factorization.

1513254317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 32.

The square root of 1513254317 is about 38900.5696230788. The cubic root of 1513254317 is about 1148.0760058153.

Adding to 1513254317 its reverse (7134523151), we get a palindrome (8647777468).

The spelling of 1513254317 in words is "one billion, five hundred thirteen million, two hundred fifty-four thousand, three hundred seventeen".