513465349 has 2 divisors, whose sum is σ = 513465350. Its totient is φ = 513465348.

The previous prime is 513465347. The next prime is 513465361. The reversal of 513465349 is 943564315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382202500 + 131262849 = 19550^2 + 11457^2 .

It is a cyclic number.

It is not a de Polignac number, because 513465349 - 2¹ = 513465347 is a prime.

Together with 513465347, 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 (513465341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256732674 + 256732675.

It is an arithmetic number, because the mean of its divisors is an integer number (256732675).

Almost surely, 2^513465349 is an apocalyptic number.

It is an amenable number.

513465349 is a deficient number, since it is larger than the sum of its proper divisors (1).

513465349 is an equidigital number, since it uses as much as digits as its factorization.

513465349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 40.

The square root of 513465349 is about 22659.7738073442. The cubic root of 513465349 is about 800.7624756619.

The spelling of 513465349 in words is "five hundred thirteen million, four hundred sixty-five thousand, three hundred forty-nine".