513301501 has 2 divisors, whose sum is σ = 513301502. Its totient is φ = 513301500.

The previous prime is 513301499. The next prime is 513301513. The reversal of 513301501 is 105103315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 393070276 + 120231225 = 19826^2 + 10965^2 .

It is a cyclic number.

It is not a de Polignac number, because 513301501 - 2¹ = 513301499 is a prime.

Together with 513301499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513301561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256650750 + 256650751.

It is an arithmetic number, because the mean of its divisors is an integer number (256650751).

Almost surely, 2^513301501 is an apocalyptic number.

It is an amenable number.

513301501 is a deficient number, since it is larger than the sum of its proper divisors (1).

513301501 is an equidigital number, since it uses as much as digits as its factorization.

513301501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 513301501 is about 22656.1581253310. The cubic root of 513301501 is about 800.6772915376.

Adding to 513301501 its reverse (105103315), we get a palindrome (618404816).

The spelling of 513301501 in words is "five hundred thirteen million, three hundred one thousand, five hundred one".